tocsin

CVE-2026-45363

1 advisory.

RubyGems/jwt CVE-2026-45363: high 7.4

ruby-jwt: Empty-key HMAC bypass; cross-language sibling of CVE-2026-44351

Action: Upgrade jwt to 2.10.3 or later.

bundle update jwt

Affected

introducedfixedlast affected
3.0.03.2.0-
02.10.3-

Fixed versions

3.2.02.10.3

Sources

CVE-2026-45363 · published · modified · JSON