cve.bz

CVE-2026-93602

5.9 mediumEPSS 0.2%

Medium (5.9). EPSS 0.2% chance of exploitation in the next 30 days. Fixed in rustls-webpki 0.103.10, 0.104.0-alpha.5.

rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a compromised trusted issuing authority can present revoked certificates that pass revocation checks under UnknownStatusPolicy::Allow, or cause incorrect errors under the default deny policy.

Severity

CVSS 4.0

5.9 medium
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

4.4 medium
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS
0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
CWE
CWE-299
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-pwjx-qhcg-rvj4crates.iorustls-webpki>=0.102.0-alpha.0 <0.103.100.103.10
GHSA-pwjx-qhcg-rvj4crates.iorustls-webpki>=0.104.0-alpha.1 <0.104.0-alpha.50.104.0-alpha.5
RUSTSEC-2026-0049crates.iorustls-webpki>=0.102.0-alpha.0 <0.103.100.103.10

References

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