redhat/python-pysequoia vulnerabilities

Latest redhat/python-pysequoia CVEs

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1. CVE-2026-42784 Sequoia-openpgp: sequoia-openpgp: cryptographic integrity compromise via key flag confusion

   Published 2026-09-16

   High·CVSS 7.4

   A flaw was found in sequoia-openpgp. The library incorrectly infers key flags for older certificates when a key flags subpacket is missing, leading to a discrepancy in how key capabilities are viewed. This key flag confusion allows an attacker to bypass the back-signature check....

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.