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Fencer Vulns
critical 9.8

CVE-2026-37751 json

An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows atta…

published 2026-08-28 2 mo ago modified 2026-09-09 1 mo ago also EUVD-2026-67772

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

An OS command injection vulnerability in the killSessionSync function (lib/agent-runtime.ts) of 23blocks-OS ai-maestro v0.24.17 allows attackers to execute arbitrary commands via a crafted input.

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 mo ago

Exploit prediction

2.94% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/rajukani100/CVE-research/tree/main/ai-maestro-rce-advisory referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness
  • CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.