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VulnerabilityPublished Updated

CVE-2026-57120: MervinPraison praisonaiagents · Protection Mechanism Failure

Affects MervinPraison praisonaiagentsSource CVE Database V5

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Not known to be exploited · CVSS 6.5 Medium : upgrade to 1.6.59 when convenient.

Data as of 29 Oct 2026, 19:04 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 46% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.6.59
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade praisonaiagents and mervinpraison/praisonaiagents to 1.6.59.

Affected software

ProductAffectedFixed in
MervinPraisonpraisonaiagentsAffected
  • <1.6.59
Fixed in
  • 1.6.59
GitHubmervinpraison/praisonaiagentspkg:github/mervinpraison/praisonaiagentsOther threatsAffected
  • <1.6.59
Fixed in
  • 1.6.59

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade to praisonaiagents version 1.6.59 or later, where this vulnerability is fixed. No other mitigation actions are indicated.

Description

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, execute_code sandbox mode permits runtime assembly of blocklisted dunder names and allows str.format or str.format_map to resolve dotted fields through C-level attribute access that bypasses _safe_getattr. This exposes class, qualified-name, base-class, globals, and object-dictionary attributes to prompt-influenced code when approval is automatically granted, producing a high-impact read primitive without establishing a complete in-process execution chain. This issue is fixed in praisonaiagents 1.6.59.

References

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