🛡️ CVE-2026-24845 — malcontent

🟡 CVSS 6.5 — Medium ✅ No Known Exploit NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

malcontent OCI image pull credential exfiltration via malicious registry token realm

Malcontent could be made to expose Docker registry credentials if it scanned a specially crafted OCI image reference. Malcontent uses [google/go-containerregistry](https://github.com/google/go-containerregistry) for OCI image pulls, which by default uses the Docker credential keychain. A malicious registry could return a WWW-Authenticate header redirecting token authentication to an attacker-controlled endpoint, causing credentials to be sent to that endpoint.

Fix: [Default to anonymous auth for OCI pulls](https://github.com/chainguard-dev/malcontent/commit/538ed00cdc639d687a4bd1e843a2be0428a3b3e7)

Acknowledgements

Thank you to Oleh Konko from [1seal](https://1seal.org/) for discovering and reporting this issue.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Affected software

CVE-2026-24845 is recorded against 3 packages.

  • github.com/chainguard-dev/bincapz
  • github.com/chainguard-dev/malcontent
  • malcontent (from 0.1.0 up to 1.20.3)

Timeline and source

Published on 19 February 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com (Advisory)
nvd.nist.gov (Advisory)
github.com (Fix)

Details

Severity Medium
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2026-02-19
Updated 2026-08-12
Modified 2026-02-19

Affected Packages

Software From version Fixed in
github.com/chainguard-dev/bincapz — —
github.com/chainguard-dev/malcontent — —
malcontent 0.1.0 1.20.3

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