CVE WATCH / VULNERABILITY DETAIL
CVE-2026-109399
HIGHCVSS 8.1NVD feed
Published 12 October 2026 · tracked since 13 October 2026
Description
SWUpdate through 2026.05.1 contains an improper certificate validation vulnerability in crypto/swupdate_cms_verify_openssl.c that trusts untrusted X.509 certificates embedded in CMS SignedData for chain building. Attackers holding a signing key from a sibling intermediate under the same root can emb
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-109237 HIGH 8.1
- CVE-2026-109238 HIGH 8.6
- CVE-2026-109239 MEDIUM 5.3
- CVE-2026-105274
- CVE-2026-96618
- CVE-2026-109397 HIGH 7.2
- CVE-2026-109398 HIGH 7.5
- CVE-2026-107248
- CVE-2026-108900 HIGH 7.3
- CVE-2026-92877