Improper Check for Certificate Revocation Affecting rustls-webpki package, versions >=0.101.0 <0.103.10>=0.104.0-alpha.1 <0.104.0-alpha.5
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-RUST-RUSTLSWEBPKI-15746975
- published22 Mar 2026
- disclosed20 Mar 2026
- creditOleh Konko | semantic verification for trust infra | LLM-augmented operations pipeline (precision-first, claim≤evidence, submit-human) | verify the payload, not the signer
Introduced: 20 Mar 2026
New CVE NOT AVAILABLE CWE-299 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade rustls-webpki to version 0.103.10, 0.104.0-alpha.5 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Certificate Revocation in the authoritative_for function. An attacker can cause revoked certificates to be accepted by manipulating the order of URI names in both the certificate CRL distribution point and the CRL issuing distribution point, leading to improper revocation enforcement under permissive status policies.