Package vulnerability, severity high

adminneo-org/adminneo: AdminNeo: version-cache array injection causes persistent denial of service

Published October 30, 2026, updated October 31, 2026

AdminNeo: version-cache array injection causes persistent denial of service. Source: GHSA-jm85-8cpp-9cjc (CVE-2026-59978).

What's affected

• adminneo-org/adminneo (packagist)>=4.6.2 <5.5.0

What to do

1. Upgrade adminneo-org/adminneo to 5.5.0 or later.

Check whether you were affected

Pharon tells teams automatically when this affects something they run. To check a machine, run this in Claude Code with the Pharon plugin, in the repository that uses it:

/pharon:check-incident ghsa-jm85-8cpp-9cjc

References

• https://osv.dev/vulnerability/GHSA-jm85-8cpp-9cjc
• https://github.com/adminneo-org/adminneo/security/advisories/GHSA-jm85-8cpp-9cjc
• https://github.com/adminneo-org/adminneo/commit/b7ae929e6afb374f0a7aba3d73b7d441470ff907
• https://github.com/adminneo-org/adminneo
• https://github.com/adminneo-org/adminneo/releases/tag/v5.5.0

Notice ghsa-jm85-8cpp-9cjc, signed with key feed-prod-2026-10 (Ed25519). The Pharon CLI verifies the signature before using a notice.