TL;Der — Security

tlder@dev — Security
tlder@dev:~$

Filtered to Security. 133 items. covering May 1 → Oct 14

└─worth-opening/(47 items)

Volexity's first-hand teardown of the full chain to root — the only public source with the attacker's steps and the log-tampering that defeats Ivanti's own checker.
└─·security
The espionage backstory to today's patch deadline — how a single Beijing contractor's infrastructure fed the whole campaign. Read it if you want the why, not just the CVE list.
└─·security

└─cross-cutting/(64 items)

An autonomous agent chained two now-exploited Zammad flaws — session fixation to code execution, then a jump to root — to breach the Dutch disclosure outfit DIVD.
└─·security,ai-ml·SC Media
CISA added CVE-2026-86950 — an out-of-bounds write in Apple's CoreGraphics that reaches code execution from a malicious file — to its Known Exploited Vulnerabilities catalog, giving federal agencies until October 2 to patch.
└─·security,mobile·CISA
Oct 13
Oct 13·cat news/20261013-cves-ivanti-connect-secure-rce
cat news/20261013-cves-ivanti-connect-secure-rce
Patch Ivanti Connect Secure now — a zero-day is already chaining to root
Ivanti disclosed an actively-exploited authentication bypass in Connect Secure that attackers are stringing together with two more flaws to reach unauthenticated root.
└─BleepingComputer
Oct 13
Oct 13·cat news/20261013-cves-patch-tuesday-motw-zeroday
cat news/20261013-cves-patch-tuesday-motw-zeroday
October's Patch Tuesday did ship an exploited zero-day after all
A Windows Shell flaw that strips the Mark-of-the-Web warning off downloaded files was being exploited before Microsoft's October patch landed, and CISA has now flagged it.
└─BleepingComputer
Oct 11
Oct 11·cat news/20261011-cves-flax-typhoon-kev-deadline
cat news/20261011-cves-flax-typhoon-kev-deadline
Flax Typhoon's five exploited bugs hit a federal patch deadline today
CISA set today as the cutoff for federal agencies to patch or drop five products Flax Typhoon is actively exploiting — and every one of the bugs has had a fix out for years.
└─ACSC joint advisory
Oct 6
Oct 6·cat news/20261006-cves-dell-system-update-rce
cat news/20261006-cves-dell-system-update-rce
Patch Dell System Update — a path-traversal bug hands out root
Dell is urging an update to System Update after disclosing CVE-2026-86360, a 9.6-severity path traversal that lets an unauthenticated attacker run code as root.
└─Help Net Security
Oct 4
Oct 4·cat news/20261004-cves-fortimail-104286-kev
cat news/20261004-cves-fortimail-104286-kev
CISA gives agencies until today to mitigate an exploited FortiMail zero-day
A path-traversal flaw in FortiMail (CVE-2026-104286, CVSS 9.8) lets an unauthenticated attacker write arbitrary files over a crafted HTTP request, it's already being exploited, and Fortinet still hasn't shipped a fixed build.
└─CISA
Oct 3
Oct 3·cat news/20261003-cves-cisco-sdwan-76504-kev
cat news/20261003-cves-cisco-sdwan-76504-kev
An exploited Cisco SD-WAN Manager auth bypass hands attackers admin — patch was due yesterday
CVE-2026-76504 (CVSS 9.8) lets an unauthenticated attacker reach Cisco Catalyst SD-WAN Manager's API as admin through a URL-encoding trick, it's under active attack, and CISA's remediation deadline fell on October 3.
└─CISA
Oct 3
Oct 3·cat news/20261003-cves-cisco-sdwan-kev-deadline
cat news/20261003-cves-cisco-sdwan-kev-deadline
Patch the Cisco SD-WAN bypass by today — CISA set a federal deadline
CISA added Cisco's actively exploited Catalyst SD-WAN Manager authentication bypass to its KEV catalog and gave federal agencies until October 3 to patch or disconnect.
└─SecurityWeek
Oct 2
Oct 2·cat news/20261002-cves-zammad-ai-agent-kev
cat news/20261002-cves-zammad-ai-agent-kev
An AI agent chained two Zammad zero-days to break into a disclosure group
An autonomous agent chained two now-exploited Zammad flaws — session fixation to code execution, then a jump to root — to breach the Dutch disclosure outfit DIVD.
└─SC Media
Sep 21
Sep 21·cat news/20260921-cves-linux-kernel-kev-deadline
cat news/20260921-cves-linux-kernel-kev-deadline
The federal Linux-kernel KEV deadline lands today
The three actively-exploited Linux kernel flaws CISA catalogued on Friday hit their September 21 federal remediation deadline today.
└─CISA
Sep 14
Sep 14·cat news/20260914-cves-gitlab-cve-85706-deadline
cat news/20260914-cves-gitlab-cve-85706-deadline
Patch self-hosted GitLab before Monday — a CVSS-10 file read, already being scanned
CISA has given federal agencies until September 14 to fix CVE-2026-85706, a maximum-severity path-traversal flaw that lets a single unauthenticated request read any file on a self-hosted GitLab server.
└─BleepingComputer
Sep 5
Sep 5·cat news/20260905-cves-cisa-seven-kev-sept5
cat news/20260905-cves-cisa-seven-kev-sept5
Patch SonicWall's SMA1000 and six more by September 5, CISA says
CISA added seven actively exploited bugs to its KEV catalog with a September 5 patch deadline — the standouts are a perfect-10 SonicWall SMA1000 chain and an unauthenticated Sangoma Switchvox flaw already hit in the wild.
└─CISA
Aug 29
Aug 29·cat news/20260829-cves-citrix-netscaler-rce
cat news/20260829-cves-citrix-netscaler-rce
Citrix's NetScaler 'DoS' patch was hiding an unauth RCE. CISA gave feds until Saturday.
A memory-overflow bug Citrix shipped as a denial-of-service fix back in June turns out to allow unauthenticated remote code execution, and attackers are already dropping web shells on exposed NetScaler gateways.
└─CISA
2026-08-23
2026-08-23·cat news/20260820-cves-trueconf-kev-head-mare
cat news/20260820-cves-trueconf-kev-head-mare
Two exploited TrueConf Server flaws hit CISA's KEV list, with a patch deadline of Aug 23
CISA added two actively exploited TrueConf Server vulnerabilities to its Known Exploited Vulnerabilities catalog, setting federal remediation deadlines of August 23 for the first and September 2 for the second.
└─CISA
Aug 7
Aug 7·cat news/20260807-cves-cisa-langflow-tomcat-ncentral-kev
cat news/20260807-cves-cisa-langflow-tomcat-ncentral-kev
Patch Langflow, Tomcat, and N-central by Friday — CISA says all three are under active attack
CISA added a critical Langflow RCE, a Tomcat cluster flaw, and another N-central bypass to its exploited-vulnerabilities catalog, with a federal deadline of August 7.
└─CISA
Jul 4
Jul 4·cat news/20260704-cves-sharepoint-rce-cve-2026-45659
cat news/20260704-cves-sharepoint-rce-cve-2026-45659
Patch by July 4: SharePoint RCE CVE-2026-45659 Under Active Exploitation
CISA added CVE-2026-45659 — a CVSS 8.8 SharePoint Server deserialization RCE exploitable by any authenticated Site Member — to the KEV catalog on July 1, with FCEB agencies required to patch by July 4.
└─The Hacker News
Jun 26
Jun 26·cat news/20260626-cves-unifi-os-cisa-kev-deadline
cat news/20260626-cves-unifi-os-cisa-kev-deadline
CISA KEV Patch Deadline Today for Three Ubiquiti UniFi OS CVEs
FCEB agencies hit their June 26 patch deadline today for CVE-2026-34908, CVE-2026-34909, and CVE-2026-34910 — path traversal and command injection bugs in Ubiquiti UniFi OS that CISA added to KEV on June 23.
└─CISA
Jun 21
Jun 21·cat news/20260621-cves-splunk-cve2026-20253-kev
cat news/20260621-cves-splunk-cve2026-20253-kev
CISA KEV Deadline Passes for Splunk Enterprise Unauthenticated File Truncation Bug
Federal agencies hit their June 21 remediation deadline for CVE-2026-20253, a missing-authentication flaw in Splunk Enterprise that lets unauthenticated attackers create or truncate files via a PostgreSQL sidecar endpoint.
└─CISA
Jun 18
Jun 18·cat news/20260618-cves-cisa-kev-joomla-cve-2026-20253
cat news/20260618-cves-cisa-kev-joomla-cve-2026-20253
CISA Adds Actively Exploited Joomla Widget Factory Flaw to KEV Catalog
CISA confirmed active exploitation of CVE-2026-20253 in the Widget Factory Joomla Content Editor, adding it to the Known Exploited Vulnerabilities catalog with a federal remediation deadline of June 21.
└─CISA
Jun 12
Jun 12·cat news/20260612-cves-advisories-ivanti-sentry-kev-rce
cat news/20260612-cves-advisories-ivanti-sentry-kev-rce
CISA Adds Ivanti Sentry OS Command Injection to KEV — Unauthenticated Root RCE
CISA added a critical Ivanti Sentry flaw to its Known Exploited Vulnerabilities catalog on June 12, enabling unauthenticated remote attackers to execute commands as root.
└─CISA KEV Catalog
Jun 12
Jun 12·cat news/20260612-cves-advisories-ikev1-vpn-cve-2026-50751
cat news/20260612-cves-advisories-ikev1-vpn-cve-2026-50751
Check Point Confirms Active Exploitation of IKEv1 VPN Flaw CVE-2026-50751, Dutch NCSC Warns of Large-Scale Abuse
CVE-2026-50751, an IKEv1 VPN vulnerability confirmed as actively exploited by Check Point, drew a Dutch NCSC warning about imminent large-scale attacks and a CISA KEV deadline.
└─CISA KEV Catalog
Jun 9
Jun 9·cat news/20260609-cves-advisories-cisco-sdwan-mgr-kev
cat news/20260609-cves-advisories-cisco-sdwan-mgr-kev
CISA Adds Cisco Catalyst SD-WAN Manager to KEV With June 23 Deadline — Still No Patch
CISA formally listed CVE-2026-20245 in its Known Exploited Vulnerabilities catalog on June 9, giving federal agencies until June 23 to remediate — even though Cisco has yet to ship a fix.
└─CISA
Jun 9
Jun 9·cat news/20260609-cves-advisories-arista-eos-cve-2026-7473
cat news/20260609-cves-advisories-arista-eos-cve-2026-7473
Arista EOS CVE-2026-7473 Added to CISA KEV — Action Due June 23
CISA added CVE-2026-7473, an incomplete comparison flaw in Arista Extensible Operating System, to the Known Exploited Vulnerabilities catalog on June 9 with a remediation deadline of June 23, 2026.
└─CISA
May 20
May 20·cat news/20260603-cves-advisories-defender-kev-june3-deadl
cat news/20260603-cves-advisories-defender-kev-june3-deadl
CISA Sets June 3 Deadline for Two Exploited Microsoft Defender Zero-Days
CVE-2026-41091 lets a local attacker escalate to SYSTEM through Defender's Malware Protection Engine, while CVE-2026-45498 kills definition updates — patched together, federal deadline June 3.
└─WinBuzzer / The Hacker News
May 21
May 21·cat news/20260521-cves-advisories-cisa-kev-langflow-trendmicro
cat news/20260521-cves-advisories-cisa-kev-langflow-trendmicro
CISA Adds Langflow and Trend Micro Apex One to KEV Catalog
CISA flagged CVE-2025-34291 (Langflow origin validation error) and CVE-2026-34926 (Trend Micro Apex One directory traversal) as actively exploited, requiring federal agencies to patch under BOD 22-01.
└─CISA
May 20
May 20·cat news/20260520-cves-advisories-cisa-kev-may20-seven-cves
cat news/20260520-cves-advisories-cisa-kev-may20-seven-cves
CISA KEV Adds Seven CVEs Including Two 2026 Microsoft Defender Flaws and Five Legacy Exploits
Seven vulnerabilities joined the KEV catalog on May 20, mixing two fresh Microsoft Defender CVEs with five bugs from 2008-2010 that are, apparently, still being weaponized.
└─CISA
May 17
May 17·cat news/20260517-cves-advisories-cisco-sdwan-cve-2026-20182
cat news/20260517-cves-advisories-cisco-sdwan-cve-2026-20182
CISA Orders Federal Agencies to Patch Cisco Catalyst SD-WAN Auth Bypass CVE-2026-20182 by May 17
A CVSS 10.0 authentication bypass in Cisco Catalyst SD-WAN is being actively exploited in the wild, with CISA mandating federal agency remediation by May 17, 2026 and no complete workaround available short of upgrading.
└─BleepingComputer
May 10
May 10·cat news/20260510-cves-advisories-ivanti-epmm-cisa
cat news/20260510-cves-advisories-ivanti-epmm-cisa
CISA May 10 Deadline Passes for Ivanti EPMM Remote Code Execution Flaw
CISA's May 10 remediation deadline for an Ivanti Endpoint Manager Mobile improper-input-validation bug enabling authenticated-admin RCE has now lapsed, increasing exposure for federal and enterprise deployments.
└─CISA
May 10
May 10·cat news/20260510-cves-advisories-ivanti-epmm-cve6973
cat news/20260510-cves-advisories-ivanti-epmm-cve6973
CISA Adds Ivanti EPMM CVE-2026-6973 to KEV; Federal Patch Deadline Is Today
Ivanti Endpoint Manager Mobile carries a CVSS 7.2 RCE flaw under active exploitation, and CISA ordered Federal Civilian Executive Branch agencies to apply patches by May 10, 2026.
└─The Hacker News
May 9
May 9·cat news/20260509-cves-advisories-cve-2026-0300-deadline
cat news/20260509-cves-advisories-cve-2026-0300-deadline
CISA Deadline Passes for PAN-OS CVE-2026-0300 as Patches Remain Unavailable Until May 13
The CISA May 9 remediation deadline for the actively exploited Palo Alto PAN-OS root-level RCE (CVE-2026-0300) has arrived with official patches still not available, requiring agencies to apply interim mitigations immediately.
└─The Hacker News
Oct 8
Oct 8·cat news/20261008-supply-chain-anthropic-cyber-mission
cat news/20261008-supply-chain-anthropic-cyber-mission
Anthropic's Cyber Mission: free vulnerability scans for open-source maintainers
Anthropic launched a long-term cyber-defense push pairing a free, model-driven vulnerability scanner for open-source projects with an on-site program for critical-infrastructure operators.
└─Anthropic
Oct 5
Oct 5·cat news/20261005-supply-chain-subql-npm-compromise
cat news/20261005-supply-chain-subql-npm-compromise
@subql/common 5.8.3 is a postinstall credential stealer
StepSecurity flagged a poisoned @subql/common release on npm that scrapes cloud keys, tokens, and SSH secrets the moment it installs.
└─StepSecurity
Sep 26
Sep 26·cat news/20260926-supply-chain-github-actions-shai
cat news/20260926-supply-chain-github-actions-shai
Two Shai-Hulud'd GitHub Actions came back online with the malware still in them
A maintainer re-enabled two compromised actions-cool GitHub Actions without cleaning their tags, so the Mini Shai-Hulud payload kept executing for a week before GitHub pulled them again.
└─BleepingComputer
Aug 17
Aug 17·cat news/20260817-supply-chain-nuget-30-day-keys
cat news/20260817-supply-chain-nuget-30-day-keys
NuGet cuts API-key lifetime to 30 days
From today, new NuGet.org API keys max out at 30 days instead of a year, and every long-lived key already in the wild stops working on November 1.
└─Microsoft .NET Blog
Aug 2
Aug 2·cat news/20260803-supply-chain-npm-bypass-2fa
cat news/20260803-supply-chain-npm-bypass-2fa
npm starts stripping account powers from its 2FA-bypass tokens
As of early August, npm granular access tokens set to skip 2FA can no longer manage other tokens, maintainers, or account settings — and direct publishing is next to go, in early 2027.
└─GitHub Changelog
Sep 27
Sep 27·cat news/20260927-platform-security-kiteworks-shutdown
cat news/20260927-platform-security-kiteworks-shutdown
Kiteworks tells customers to power down for nine hours on a federal tip-off
Acting on credible threat intelligence from federal authorities, Kiteworks asked self-managed customers to shut their file-transfer systems down for a nine-hour weekend window as a precaution — no confirmed breach, but an imminent-threat warning is unusual enough to take seriously.
└─Kiteworks
Sep 26
Sep 26·cat news/20260926-platform-security-clop-grav-hack
cat news/20260926-platform-security-clop-grav-hack
ShinyHunters defaced Clop's leak site through an unpatched Grav CMS bug
Clop moved its extortion site to a new Tor address after ShinyHunters walked in through a path-traversal flaw Grav had patched everywhere except the 1.7 branch.
└─BleepingComputer
Sep 16
Sep 16·cat news/20260916-platsec-cisa-weekly-bulletin-end
cat news/20260916-platsec-cisa-weekly-bulletin-end
CISA is scrapping its weekly vulnerability bulletin
CISA will send its last weekly vulnerability summary on September 28, retiring the long-running Monday email as it shifts from CVSS-severity triage toward a risk-based model — and pointing people to the KEV catalog and advisories instead.
└─The Register
Aug 28
Aug 28·cat news/20260828-platsec-ai-cyber-defense-letter
cat news/20260828-platsec-ai-cyber-defense-letter
A joint warning from 100-plus firms: the AI cyberattack window is closing
More than 100 tech and security companies signed an open letter warning that AI-enabled cyberattacks are months away from becoming widespread.
└─TechCrunch
Jun 29
Jun 29·cat news/20260629-platform-security-gh-actions-runner-min-ver
cat news/20260629-platform-security-gh-actions-runner-min-ver
GitHub Actions Begins Brownouts June 29 for Self-Hosted Runners Below Minimum Version
GitHub resumes enforcement of minimum runner version requirements starting June 29, with brownouts from 11 AM–3 PM ET on github.com and full enforcement across GitHub Enterprise Cloud by July 31.
└─GitHub Changelog
May 12
May 12·cat news/20260512-platform-security-cve-2026-32202-cisa-kev
cat news/20260512-platform-security-cve-2026-32202-cisa-kev
CISA KEV Deadline: Federal Agencies Must Patch Windows Shell CVE-2026-32202 by May 12
CISA's May 12 patching deadline for CVE-2026-32202 — an APT28-exploited Windows Shell spoofing flaw enabling zero-click NTLMv2 hash theft — arrives today, requiring the April 2026 cumulative update KB5083769.
└─CISA / The Hacker News
May 1 → Oct 14Security133 entries