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CVE-2026-74846VulnerabilityPublished Updated

Libcatalyst plugin authentication perl: Catalyst::Plugin::Authentication versions before 0.10029 for Perl allow timing

Affects libcatalyst-plugin-authentication-perlSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-74846· High

Not known to be exploited.

Data as of 5 Nov 2026, 12:34 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 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 5 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Ubuntu 26.10libcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=stonkingOther threatsAffected
  • =0.10024-1
  • =0.10026-1
Fixed in–
Ubuntu 26.04 LTSlibcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=resoluteOther threatsAffected
  • =0.10024-1
Fixed in–
Ubuntu 24.04 LTSlibcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=nobleOther threatsAffected
  • =0.10023-4
Fixed in–
Ubuntu 22.04 LTSlibcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=jammyOther threatsAffected
  • =0.10023-3
Fixed in–
Ubuntu 20.04 LTSlibcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=focalOther threatsAffected
  • =0.10023-3
Fixed in–
Ubuntu 18.04 LTSlibcatalyst-plugin-authentication-perlpkg:deb/ubuntu/libcatalyst-plugin-authentication-perl?arch=source&distro=bionicOther threatsAffected
  • =0.10023-3
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

Catalyst::Plugin::Authentication versions before 0.10029 for Perl allow timing attacks on stored passwords via eq comparisons in the legacy password verifier. CVE-2026-5091 was fixed in the realm-based verifier. The legacy verifier, used by the deprecated login method, compares clear-text passwords, crypt hashes and base64 digests with eq, so the comparison time depends on how many leading bytes match. A remote attacker can use response-time differences to guess the stored password or hash.

References

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