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CVE-2026-45793

HIGH(7.5)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Risk Signal Score29/100 — MITTEL
  • CVSS 7.5 — Hoch
  • Weniger als 24 Stunden alt

Beschreibung

Composer is a dependency Manager for the PHP language. Prior to 1.10.28, 2.2.28, and 2.9.8, Composer\IO\BaseIO::loadConfiguration() validates GitHub OAuth tokens with the regex ^[.A-Za-z0-9_]+$ and interpolates rejected tokens into an UnexpectedValueException; GitHub Actions GITHUB_TOKEN values using the ghs_<id>_<base64url-JWT> format can contain -, fail validation, and be disclosed to stderr or CI logs. This issue is fixed in versions 1.10.28, 2.2.28, and 2.9.8.

GitHub Advisories

GHSA-f9f8-rm49-7jv2HIGH

Github Actions issued GITHUB_TOKEN disclosure in GitHub Actions logs

composer/composer/composer→ 2.9.8
GitHub Advisory

Referenzen