CVE-2026-105031 When using the OpenSSL TLS implementation, both the pn_ssl_domain_set_trusted_ca_db() & pn_tls_config_set_trusted_certs() APIs added to rath
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-105031?
CVE-2026-105031 is a vulnerability in Apache Qpid Proton C, published on 29 Oct 2026.
Official description
When using the OpenSSL TLS implementation, both the pn_ssl_domain_set_trusted_ca_db() & pn_tls_config_set_trusted_certs() APIs added to rather than replaced the default system trust anchors. Leading to potentially trusting unexpected peer certificates.
This can be worked around by setting the SSL_CERT_FILE environment variable for the application to /dev/null.
This issue does not affect the Win32 SChannel TLS implementation.
This issue affects Apache Qpid Proton C: through 0.40.0.
Users are recommended to upgrade to version 0.41.1, which fixes the issue.
Weakness: CWE-295
Which versions are affected by CVE-2026-105031?
How do I fix CVE-2026-105031?
No fix has been published for CVE-2026-105031 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-105031 being exploited?
There is no known exploitation of CVE-2026-105031 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-105031, GHSA-75pq-3xrq-9pc6.