Advisory [CVE-2026-105031] Apache Qpid Proton: 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
This security Apache Software Foundation advisory covers CVE-2026-105031 affecting Apache Qpid Proton.
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Summary
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.
- through 0.40.0
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
- 0.41.1
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 0.41.1, which fixes the issue.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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