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CVE-2026-26009VulnerabilityPublished

CVE-2026-26009: karutoil catalyst · OS Command Injection

Affects karutoil catalystSource CVE Database V5

0

Not known to be exploited · CVSS 10.0 Critical.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
10.0Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
karutoilcatalystAffected
  • =< 11980aaf3f46315b02777f325ba02c56b110165d
Fixed in–

AI-suggested

European organizations should immediately upgrade karutoil catalyst to the fixed version containing commit 11980aaf3f46315b02777f325ba02c56b110165d or later. Until patched, restrict template.create and template.update permissions to only fully trusted administrators and implement strict access controls and auditing on these permissions. Employ network segmentation to isolate cluster nodes and limit lateral movement in case of compromise. Monitor logs for unusual template creation or updates and unexpected root-level command executions. Consider deploying runtime application self-protection (RASP) or host-based intrusion detection systems (HIDS) to detect anomalous shell command executions. Additionally, advocate for or implement sandboxing or containerization of install scripts to prevent direct root execution on the host OS. Regularly review and harden cluster configuration and user roles to minimize attack surface. Finally, conduct penetration testing focused on template injection vectors to validate mitigations.

Description

Catalyst is a platform built for enterprise game server hosts, game communities, and billing panel integrations. Install scripts defined in server templates execute directly on the host operating system as root via bash -c, with no sandboxing or containerization. Any user with template.create or template.update permission can define arbitrary shell commands that achieve full root-level remote code execution on every node machine in the cluster. This vulnerability is fixed in commit 11980aaf3f46315b02777f325ba02c56b110165d.

References

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