CVE-2026-111813: Trafficserver · (Apache Traffic Server's experimental magick plugin lets an unauthentic ...)
Affects trafficserverSource GCVE Database
Not known to be exploited · CVSS 10.0 Critical.
Data as of 27 Oct 2026, 07:57 UTC
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 21 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 24.04 LTStrafficserverpkg:deb/ubuntu/trafficserver?arch=source&distro=nobleOther threats | Affected
| Fixed in– |
Ubuntu Pro 22.04 LTStrafficserverpkg:deb/ubuntu/trafficserver?arch=source&distro=esm-apps/jammyOther threats | Affected
| Fixed in– |
Ubuntu Pro 20.04 LTStrafficserverpkg:deb/ubuntu/trafficserver?arch=source&distro=esm-apps/focalOther threats | Affected
| Fixed in– |
Ubuntu 18.04 LTStrafficserverpkg:deb/ubuntu/trafficserver?arch=source&distro=bionicOther threats | Affected
| Fixed in– |
Ubuntu 16.04 LTStrafficserverpkg:deb/ubuntu/trafficserver?arch=source&distro=xenialOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a fix is available, it is recommended to disable the experimental magick plugin if possible or restrict network access to the affected Traffic Server instances to trusted sources only.
Description
Apache Traffic Server's experimental magick plugin contains a critical vulnerability that allows unauthenticated remote attackers to fully compromise the system. The flaw affects multiple specific versions of Traffic Server and has a maximum CVSS score of 10.0, indicating severe impact on confidentiality, integrity, and availability.