CVE-2026-24850: ML-DSA Signature Verification Accepts Signatures with Repeated Hint Indices

CVE-2026-24850 · Severity: low · CVSS 3.1 · Published 2026-01-28

ML-DSA Signature Verification Accepts Signatures with Repeated Hint Indices

Technologies: ml-dsa (crates.io). Vendors: crates.io.

Quick answers

Is CVE-2026-24850 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-24850 being exploited in the wild.
How severe is CVE-2026-24850?
Low severity, with a CVSS score of 3.1, published 28 January 2026.
Which products and versions are affected?
ml-dsa (crates.io) SEMVER:introduced=0.0.4,fixed=0.1.0-rc.4.
Is there a fix for CVE-2026-24850?
Yes. ml-dsa (crates.io): upgrade to 0.1.0-rc.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-24850?
Check whether you run ml-dsa (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • ml-dsa (crates.io): upgrade to 0.1.0-rc.4 or later
    cargo update -p ml-dsa

Affected products

  • ml-dsa (crates.io) SEMVER:introduced=0.0.4,fixed=0.1.0-rc.4

Identifiers

  • CVE-2026-24850
  • GHSA-5x2r-hc65-25f9

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