HIGHRubyGems →
ruby-jwt: Empty-key HMAC bypass; cross-language sibling of CVE-2026-44351
ruby-jwt: Empty-key HMAC bypass; cross-language sibling of CVE-2026-44351
Affected packages
- jwt— 3.0.0 → 3.2.0
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/jwt/ruby-jwt/security/advisories/GHSA-c32j-vqhx-rx3x
- https://github.com/jwt/ruby-jwt/issues/724
- https://github.com/jwt/ruby-jwt/commit/db560b769a07bd9724e77ff505011ac01872106f
- https://github.com/jwt/ruby-jwt
- https://github.com/jwt/ruby-jwt/releases/tag/v2.10.3
- https://github.com/jwt/ruby-jwt/releases/tag/v3.2.0
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/jwt/CVE-2026-45363.yml
- https://www.cve.org/CVERecord?id=CVE-2026-45363
Structured record: https://osv.dev/vulnerability/GHSA-c32j-vqhx-rx3x
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