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CVE-2026-25807

Taklaxbr Zai Shell code injection

8.8 HIGHPublic exploitEPSS 0.98%
  1. Published9 Feb 2026

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 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Taklaxbr Zai Shell< 9.0.3

Remediation

Fixed in
Taklaxbr Zai Shell≥ 9.0.3

References

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Frequently asked

Is CVE-2026-25807 being actively exploited?

CVE-2026-25807 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.98%.

How severe is CVE-2026-25807?

CVE-2026-25807 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.98% probability of exploitation.

Which products are affected by CVE-2026-25807?

Affected products include Taklaxbr Zai Shell.

How do I fix CVE-2026-25807?

Upgrade affected software to a fixed version, for example Taklaxbr Zai Shell 9.0.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-25807 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.