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CVE-2025-60455VulnerabilityPublished Updated

CVE-2025-60455: serve · n/a

Affects serveSource CVE Database V5

0

Not known to be exploited · CVSS 8.4 High : upgrade to 25.6 soon.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 26% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 25.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Nov 2025

  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 2026-10-25.

What to do

Upgrade modular/modular/max/serve to 25.6.

Affected software

ProductAffectedFixed in
GitHubmodular/modular/max/servepkg:github/modular/modular/max/serveOther threatsAffected
  • <25.6
Fixed in
  • 25.6

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

1. Immediately disable the "--experimental-enable-kvcache-agent" feature in Modular Max Serve until a patched version is available. 2. Restrict local access to systems running Modular Max Serve by enforcing strict access controls and network segmentation to limit potential attacker footholds. 3. Monitor system logs and deserialization-related processes for unusual or unauthorized activity indicative of exploitation attempts. 4. Implement application whitelisting and endpoint protection solutions capable of detecting anomalous code execution patterns. 5. Stay informed on vendor updates and apply patches promptly once released. 6. Conduct security audits and penetration testing focused on deserialization vulnerabilities within the environment. 7. Educate system administrators about the risks of enabling experimental features without thorough security evaluation. 8. Consider deploying runtime application self-protection (RASP) tools that can detect and block unsafe deserialization attempts in real time.

Description

Unsafe Deserialization vulnerability in Modular Max Serve before 25.6, specifically when the "--experimental-enable-kvcache-agent" feature is used allowing attackers to execute arbitrary code.

References

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