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VulnerabilityPublished

CVE-2026-57123: MervinPraison praisonaiagents · Missing Authentication

Affects MervinPraison praisonaiagentsSource CVE Database V5

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Not known to be exploited · CVSS 9.8 Critical : upgrade to 1.6.59 as a priority.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.9% chance of exploitation in 30 days – higher than 59% 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:N/UI:N/S:U/C:H/I:H/A:H

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 30 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 praisonaiagents to version 1.6.59 or later, where the issue is fixed. This update ensures that SecurityConfig authentication, origin-validation, and DNS-rebinding protections are properly enforced on the affected routes. No other mitigation is indicated by the vendor advisory.

Description

PraisonAI is a multi-agent teams system. Prior to praisonaiagents 1.6.59, ToolsMCPServer.run_sse and launch_tools_mcp_server bind to 0.0.0.0 and create /sse and /messages/ routes without invoking the available SecurityConfig authentication, origin-validation, or DNS-rebinding controls. Any reachable client can list and invoke registered tools, and a browser can target a local instance through DNS rebinding, with impact determined by the registered file, shell, and code-execution tools. This vulnerability is fixed in praisonaiagents 1.6.59.

References

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