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CVE-2026-1965VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Affects Red HatSource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 2 Nov 2026, 06:31 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Apr 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 1 Nov 2026.

What to do

AI-suggested

Red Hat has released updated RPM packages for curl and related components to address these vulnerabilities. Users should apply these updates as provided by Red Hat Hardened Images. Additionally, to mitigate the risk of OAuth2 bearer token leakage, administrators should carefully manage .netrc files, avoiding entries for untrusted or unknown hosts, especially when curl is configured to follow redirects with OAuth2 tokens. Regularly reviewing and restricting credentials stored in .netrc files is recommended.

Description

A security advisory from Red Hat addresses vulnerabilities in Red Hat Hardened Images RPMs, specifically in curl and libcurl packages. One notable issue (CVE-2026-3783) involves the potential leakage of OAuth2 bearer tokens during HTTP(S) redirects when curl follows redirects and .netrc files contain entries for the redirected host. This could lead to unauthorized disclosure of sensitive tokens. The advisory provides updated RPM packages to fix these issues.

References

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