CVE-2024-29736: Apache CXF: SSRF vulnerability via WADL stylesheet parameter

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-07-19 · updated 2026-06-17
Weakness: CWE-918

Description

A SSRF vulnerability in WADL service description in versions of Apache CXF before 4.0.5, 3.6.4 and 3.5.9 allows an attacker to perform SSRF style attacks on REST webservices. The attack only applies if a custom stylesheet parameter is configured.

Affected products

Apache Software Foundation Apache CXF: before 3.5.9; from 3.6.0 before 3.6.4; from 4.0.0 before 4.0.5 — fixed in 3.5.9, 3.6.4, 4.0.5

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache CXF 3.5.9, 3.6.4, 4.0.5. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread/4jtpsswn2r6xommol54p5mg263ysgdw2
http://www.openwall.com/lists/oss-security/2024/07/18/2
https://lists.apache.org/thread/4jtpsswn2r6xommol54p5mg263ysgdw2
https://security.netapp.com/advisory/ntap-20241115-0003/

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