Use of a Cryptographic Primitive with a Risky Implementation Affecting p3-challenger package, versions <0.4.3>=0.5.0 <0.5.3
Threat Intelligence
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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Test your applications- Snyk IDSNYK-RUST-P3CHALLENGER-16874167
- published25 May 2026
- disclosed21 May 2026
- creditjonathanpwang, zlangley
Introduced: 21 May 2026
NewCVE-2026-46654 (opens in a new tab)How to fix?
Upgrade p3-challenger to version 0.4.3, 0.5.3 or higher.
Overview
Affected versions of this package are vulnerable to Use of a Cryptographic Primitive with a Risky Implementation via the duplexing process. An attacker can generate identical challenge outputs from distinct transcript inputs by manipulating the absorption and squeezing of field elements, allowing for selective forgery or entropy reduction in challenge generation.