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TI-2025-27310 Aliases CVE-2025-40916GHSA-w6w2-2wxg-ggwx

Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha text

Priority MEDIUM 46CWE-338Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

Mojolicious::Plugin::CaptchaPNG version 1.05 for Perl uses a weak random number source for generating the captcha. That version uses the built-in rand() function for generating the captcha text as well as image noise, which is insecure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0042 36th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GRYPHONMojolicious::Plugin::CaptchaPNG1.05—No fix listedCNA
  • Mojolicious::Plugin::CaptchaPNG VendorGRYPHON Affected 1.05 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-40916
  2. 2026-10-03 Alias added: GHSA-w6w2-2wxg-ggwx

References

  • TI-2008-02621 SQL injection vulnerability in login.php in Gryphon gllcTS2 4.2.4 allows remote attackers… CVSS 2.0HIGH 7.5
  • TI-2025-27309 Mojolicious::Plugin::CSRF 1.03 for Perl uses a weak random number source for generating… CVSS 3.1HIGH 7.0

Sources