Insufficient Entropy Affecting sm2 package, versions >=0.14.0-pre.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RUST-SM2-14912574
- published11 Jan 2026
- disclosed10 Jan 2026
- creditXlabAITeam
Introduced: 10 Jan 2026
NewCVE-2026-22698 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Insufficient Entropy via the encrypt function in the encrypting.rs file. An attacker can recover the ephemeral value and decrypt ciphertexts by exploiting the reduced entropy in the random number generation.