CVE-2025-34095Exploit

LOWCVSS 9.3 · CRITICAL

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

Prioritize remediation for affected systems immediately
Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD 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.

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3.5/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-78

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

Public PoC and exploit tooling are both present
1 mentions across 1 observed day

What's happening

Exploit tool or code specified in 1 signal
PoC mentioned or linked in 1 signal
Technical details provided in 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Exploit

1100.0%

Referenced assets1 URL

By indicator

https://zerodaysignal.com/vulnerability/CVE-2025-34095

Full discourse1 post

0day Signal@0dayPublishing184d
Exploit
🚨 CVE-2025-34095: Mako Server v2.5 and v2.6 OS Com... Unauthenticated RCE via Lua injection in tutorial endpoints - Metasploit module already exists, CVSS 9.3 screams "patch... https://zerodaysignal.com/vulnerability/CVE-2025-34095 #netsec #vulnerability #CVE #sysadmin #zeroday
Post summary
CVE-2025-34095 is a high‑severity, unauthenticated RCE via Lua injection, with a functional Metasploit module already released; authorization for a patch is urged but not detailed.
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