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Vulnerability record · CVE-2026-25807 · published 9 February 2026

CVE-2026-25807: Taklaxbr zai shell code injection vulnerability

TTaklaxbr · Zai Shell

ZAI Shell is an autonomous SysOps agent designed to navigate, repair, and secure complex environments. Prior to 9.0.3, the P2P terminal sharing feature (share start) opens a TCP socket on port 5757 without any authentication mechanism. Any remote attacker can connect to this port using a simple socket script. An attacker who connects to a ZAI-Shell P2P session running in --no-ai mode can send arbitrary system commands. If the host user approves the command without reviewing its contents, the command executes directly with the user's privileges, bypassing all Sentinel safety checks. This vulnerability is fixed in 9.0.3.

8.8 CVSS 3.1 High EPSS 0.85% · top 43.4% CWE-94 · Code injection
8.8CVSS 3.1 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

ZAI Shell is an autonomous SysOps agent designed to navigate, repair, and secure complex environments. Prior to 9.0.3, the P2P terminal sharing feature (share start) opens a TCP socket on port 5757 without any authentication mechanism. Any remote attacker can connect to this port using a simple socket script. An attacker who connects to a ZAI-Shell P2P session running in --no-ai mode can send arbitrary system commands. If the host user approves the command without reviewing its contents, the command executes directly with the user's privileges, bypassing all Sentinel safety checks. This vulnerability is fixed in 9.0.3.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/TaklaXBR/zai-shell/commit/a4ea8525d912f55d6e2f09b2869966c52d189a4a Patch
https://github.com/TaklaXBR/zai-shell/releases/tag/v9.0.3 ProductRelease Notes
https://github.com/TaklaXBR/zai-shell/security/advisories/GHSA-6pjj-r955-34rr ExploitMitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-25807), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.