What is CVE-2026-31961?

CVE-2026-31961 is a medium-severity vulnerability in Anchore Quill, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-03-11.

How severe is CVE-2026-31961?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Anchore Quill

CVE-2026-31961

Quill provides simple mac binary signing and notarization from any platform. Quill before version v0.7.1 contains an unbounded memory allocation vulnerability when parsing Mach-O binaries. Exploitation requires that Quill processes an atta…

EPSS: 0.000 (5.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Anchore Quill — versions < 0.7.1

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

https://github.com/anchore/quill/security/advisories/GHSA-xj69-m9qq-8m94 (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-31961?: CVE-2026-31961 is a medium-severity vulnerability in Anchore Quill, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-03-11.
How severe is CVE-2026-31961?: Medium severity. CVSS v3 base score is 5.5 out of 10.