CVE-2026-40944Oxia: TLS CA certificate chain validation fails with multi-certificate PEM bundles
Updated under an hour ago ()
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It affects oxia-db oxia. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Oxia is a metadata store and coordination system. Prior to 0.16.2, the trustedCertPool() function in the TLS configuration only parses the first PEM block from CA certificate files. When a CA bundle contains multiple certificates (e.g., intermediate + root CA), only the first certificate is loaded. This silently breaks certificate chain validation for mTLS. This vulnerability is fixed in 0.16.2.
- CVSS
- 6.9 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Apr 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
oxia-db oxia oxia_db:oxia (from the name) | before 0.16.2 | CNA record |
References
- https://github.com/oxia-db/oxia/security/advisories/GHSA-7jrq-q4pq-rhm6x-refsource-confirm
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.