CVE-2026-50645

7.5 HIGH

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can l...

Published: 2026-06-12 · Last updated: 2026-06-13

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE: CWE-400

Affected products

Vendor	Product
apache	cxf

Description

There is no restriction on the amount of attachment headers that a message can contain when being deserialized by Apache CXF, which can lead to uncontrolled resource consumption or a denial of service attack. Users are recommended to upgrade to versions 4.2.2 or 4.1.7, which fix this issue by imposing a maximum default of 500 attachments per message.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-50645
[Vendor advisory]https://lists.apache.org/thread/24zb7cqcvykhwm0j797dmdq25s61mj93
[Other]http://www.openwall.com/lists/oss-security/2026/06/11/12

Related CVEs

Same vendor

CVE-2026-50634 — A vulnerability in Apache CXF's JwsJsonContainerRequestFilter can be exploited to cause CXF to process metadata that was not authenticate... (6.5 MEDIUM)
CVE-2026-50633 — A JNDI Injection vulnerability has been discovered in Apache CXF's JCA integration module, which can allow for code execution, if an atta... (8.1 HIGH)
CVE-2026-50632 — A further incomplete fix for a previous advisory CVE-2026-44417 (Untrusted JMS configuration can lead to RCE) for Apache CXF has been ide... (8.1 HIGH)
CVE-2026-50631 — A race condition in AbstractOAuthDataProvider allows concurrent requests using the same Refresh Token to bypass single-use semantics and ... (7.4 HIGH)
CVE-2026-50630 — A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class (6.5 MEDIUM)

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