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CVE-2026-1965VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat AI Base Images 3.0.9 (TPU)

Affects Red HatSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited · fixed in Red Hat package updates : patch Red Hat soon.

Data as of 13 Nov 2026, 14:47 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Patch
Available – fixed in 8.21.0

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 13 Nov 2026.

What to do

AI-suggested

A fix for the libcurl vulnerability is available in version 8.21.0. Users should upgrade libcurl to 8.21.0 or later to remediate the issue. If upgrading is not immediately possible, mitigation involves ensuring that applications do not reuse libcurl easy handles across different HTTP origins with Digest authentication or explicitly clear authentication-related state before reuse. No other mitigations meeting Red Hat's criteria are currently available.

Description

A security advisory from Red Hat addresses multiple vulnerabilities in Red Hat AI Base Images 3.0.9 (TPU), including CVE-2026-11856, a flaw in libcurl's Digest authentication handling. This flaw can cause libcurl to incorrectly send authentication headers intended for one HTTP origin to another, potentially exposing sensitive authentication state. The vulnerability requires a specific programming pattern involving reuse of libcurl handles across different origins. A fix for this libcurl issue is available in version 8.21.0. The advisory lists several CVEs but does not specify affected versions for the AI Base Images themselves.

References

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