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Vulnerabilities

Vulnerability · CVE-2025-66377

Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node wi

Published Dec 25, 2025 · catalog updated Dec 26, 2025 · Pexip Infinity

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-66377. EPSS is 0.21%. Act only if a listed version of Pexip Infinity is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.21%
Remediation
Version ranges on file
Affected products
vendor Pexip Infinity 0 <39.0

Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Pexip Infinity 0 <39.00 <39.0

How to fix CVE-2025-66377

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66377. EPSS is 0.21%. Act only if a listed version of Pexip Infinity is installed.

Which versions are affected?

Compare what you have installed with Pexip Infinity 0 <39.0 0 <39.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 25, 2025 · EUVD

    Detected

    Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.

  2. Dec 26, 2025 · EUVD

    Updated

    Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.

Sources

  • CVE.orgVulnerability recordCVE-2025-66377

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66377

    30-day exploitation probability 0.21%

    first.org
  • EUVDVulnerability recordEUVD-2025-205373

    Pexip Infinity before 39.0 has Missing Authentication for a Critical Function in a product-internal API, allowing an attacker (who already has access to execute code on one node within a Pexip Infinity installation) to impact the operation of other nodes within the installation.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026