CVE-2026-62995

CVE-2026-62995 affects the Python library joserfc (versions ≤ 1.7.1). The issue: joserfc accepts JWTs with trailing padding (==), which is non-conforming to JOSE specs and enables JWT malleability when parsed by the library. Practical impact varies by deployment and could allow bypass of token re...

PT-2026-65869

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. in versions 1.7.1 and prior, joserfc accepts JWTs with trailing padding == which are not conforming to the JOSE specifications. This leads to malleability of the JWTs when...