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CVE-2025-34095VulnerabilityPublished Updated

CVE-2025-34095: Real Time Logic Mako Server · OS Command Injection

Affects Real Time Logic Mako ServerSource CVE Database V5

0

Not known to be exploited · public exploit available (Metasploit) · CVSS 9.3 Critical.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
9.3Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
6.2% chance of exploitation in 30 days – higher than 93% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: evidence found.

    1 Metasploit module

  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 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Real Time Logic Mako ServerAffected
  • =2.5
Fixed in–

AI-suggested

Until a fix is released, it is recommended to disable or restrict access to the tutorial interface endpoints (examples/save.lsp and examples/manage.lsp) to trusted users only or block them entirely. Monitoring for unusual PUT or GET requests to these endpoints may help detect exploitation attempts.

Description

An OS command injection vulnerability exists in Mako Server versions 2.5 and 2.6, specifically within the tutorial interface provided by the examples/save.lsp endpoint. An unauthenticated attacker can send a crafted PUT request containing arbitrary Lua os.execute() code, which is then persisted on disk and triggered via a subsequent GET request to examples/manage.lsp. This allows remote command execution on the underlying operating system, impacting both Windows and Unix-based deployments.

References

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