blesta vulnerabilities and fixes

Recent CVEs affecting blesta, with upgrade or downgrade steps. 3 tracked.

blesta has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-02-03. Highest priority: CVE-2026-25615 (score 36/100).

• CVE-2026-25616 MEDIUM 4.7 UPGRADE Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
• CVE-2026-25615 HIGH 7.2 UPGRADE Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668.
• CVE-2026-25614 HIGH 7.5 UPGRADE Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5680.

FAQ

How do I fix blesta 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 blesta being exploited right now?

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

Which blesta CVE should I patch first?

CVE-2026-25615 currently ranks highest (36/100): Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668..

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