CVE-2025-54142

Severity: medium (CVSS 4.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-29 · updated 2026-10-18
Weakness: CWE-444

Description

Akamai Ghost before 2025-07-21 allows HTTP Request Smuggling via an OPTIONS request that has an entity body, because there can be a subsequent request within the persistent connection between an Akamai proxy server and an origin server, if the origin server violates certain Internet standards.

Affected products

AkamaiGhost: before 2025-07-21 — fixed in 2025-07-21

How to fix

Upgrade to a fixed version: AkamaiGhost 2025-07-21. Check the vendor advisory for mitigations.

References

https://community.akamai.com/customers/s/feed/0D5a700000W51m8CAB
https://www.akamai.com/blog/security-research/advisory-cve-2025-54142-http-request-smuggling-via-options-body

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