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Mon, 12 Oct 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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 embed that intermediate in the signature to install malicious updates. | |
| Title | SWUpdate through 2026.05.1 CMS Signature Verification Bypass via Embedded Intermediates | |
| First Time appeared |
Swupdate
Swupdate swupdate |
|
| Weaknesses | CWE-295 | |
| CPEs | cpe:2.3:a:swupdate:swupdate:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Swupdate
Swupdate swupdate |
|
| References |
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| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-10-12T15:16:44.440Z
Reserved: 2026-10-12T14:40:48.738Z
Link: CVE-2026-109399
No data.
Status : Received
Published: 2026-10-12T16:17:05.557
Modified: 2026-10-12T16:17:05.557
Link: CVE-2026-109399
No data.
OpenCVE Enrichment
No data.