OpenSSL vulnerabilities and fixes

CVEs that mention OpenSSL, ranked by priority. 11 tracked.

OpenSSL has 11 tracked vulnerabilities, 3 critical. A fixed release or vendor patch exists for 10. Most recent: 2026-10-22. Highest priority: CVE-2026-74886 (score 60/100).

• CVE-2026-74886 CRITICAL 9.8 UPGRADE openssl_encrypt versions before 1.4.0 contain a plugin sandbox bypass vulnerability where the PluginImportGuar
• CVE-2026-74880 CRITICAL 9.8 UPGRADE openssl_encrypt versions before 1.4.0 accept refresh tokens as URL query parameters in keyserver and telemetry
• CVE-2023-23919 HIGH 7.5 UPGRADE A cryptographic vulnerability exists in Node.js <19.2.0, <18.14.1, <16.19.1, <14.21.3 that in some cases did d
• CVE-2026-17510 HIGH 7.5 Crypt::OpenSSL::PKCS12 versions before 1.98 for Perl allow a NULL pointer dereference in print_attribute via a
• CVE-2026-74892 HIGH 7.5 UPGRADE openssl_encrypt versions before 1.4.0 contain a hardcoded default secret key in the standalone telemetry serve
• CVE-2026-114611 CRITICAL 9.1 OCO-Server is a self-hosted endpoint management application for computer inventory, software deployment, and m
• CVE-2026-70454 HIGH 8.0 rsync 3.2.0 through 3.2.3 (openssl mode) and rsync-ssl through 3.4.4 (stunnel mode) contain a TLS certificate
• CVE-2024-9355 MEDIUM 6.5 A vulnerability was found in Golang FIPS OpenSSL
• CVE-2026-41447 HIGH 7.8 FirmaCheck for Windows before 1.3.16 contains a DLL hijacking vulnerability that allows local attackers to exe
• CVE-2026-74890 MEDIUM 5.5 UPGRADE openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that di
• CVE-2026-91769 MEDIUM 4.3 UPGRADE PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no

FAQ

How do I fix OpenSSL vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is OpenSSL being exploited right now?

None of the tracked OpenSSL CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which OpenSSL CVE should I patch first?

CVE-2026-74886 currently ranks highest (60/100): openssl_encrypt versions before 1.4.0 contain a plugin sandbox bypass vulnerability where the PluginImportGuar.

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