What is CVE-2026-34934?

CVE-2026-34934 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-04-03.

How severe is CVE-2026-34934?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Mervinpraison Praisonai

CVE-2026-34934

PraisonAI is a multi-agent teams system. Prior to version 4.5.90, the get_all_user_threads function constructs raw SQL queries using f-strings with unescaped thread IDs fetched from the database. An attacker stores a malicious thread ID via update_thread. When the application loads the thread list, the injected payload executes and grants full database access. This issue has been patched in version 4.5.90.

Vulnerability class: SQL Injection

Published 2026-04-03 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Mervinpraison Praisonai — versions < 4.5.90
Praison Praisonai

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/MervinPraison/PraisonAI/security/advisories/GHSA-9cq8-3v94-434g (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34934?: CVE-2026-34934 is a critical-severity vulnerability in Mervinpraison Praisonai, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-04-03.
How severe is CVE-2026-34934?: Critical severity. CVSS v3 base score is 9.8 out of 10.