Vulnerability in Mervinpraison Praisonai
CVE-2026-60086
PraisonAI before 4.6.78 contains a prompt injection defense bypass vulnerability where the injection defense only blocks threats classified as CRITICAL, requiring three or more detector families to match simultaneously. Attackers can craft single or double-vector prompt injections that are classified as HIGH threat level and pass through unblocked to reach the model.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (27.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mervinpraison Praisonai — versions 0, 4.6.78
Weakness classification (CWE)
References
- github.com/MervinPraison/PraisonAI/security/advisories/GHSA-4r3p-w3mc-5v34 (vendor-advisory)
- www.vulncheck.com/advisories/praisonai-before-prompt-injection-defense-bypass (third-party-advisory)
Frequently asked questions
- What is CVE-2026-60086?
- CVE-2026-60086 is a medium-severity vulnerability in Mervinpraison Praisonai, classified under Protection Mechanism Failure. CVSS score: 5.3/10. Published 2026-07-10.
- How severe is CVE-2026-60086?
- Medium severity. CVSS v3 base score is 5.3 out of 10.