CVE-2026-50632: apache software foundation apache cxf Improper Input Validation
Vulnerability summary
CVE-2026-50632 is a high (CVSS 8.1) Improper Input Validation vulnerability in apache software foundation apache cxf. EPSS estimates a 1.12% chance of exploitation in the next 30 days, higher than 65.5% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 12-06-2026PublishedVulnerability first disclosed.
- 07-08-2026Last modifiedVulnerability information updated.
Description
A further incomplete fix for a previous advisory CVE-2026-44417 (Untrusted JMS configuration can lead to RCE) for Apache CXF has been identified, which can allow code execution capabilities, if untrusted users are allowed to configure JMS for Apache CXF. Users are recommended to upgrade to versions 4.2.2 or 4.1.7 or 3.6.12, which fixes this issue.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · MavenEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HDiffers
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.12%
Chance of exploitation in the next 30 days
Percentile
66%
Versus all other CVEs
30-day change
+0.47 pp
From 0.65% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-502Deserialization of Untrusted DataThe product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Affected systems
Apache1 product
- cxf< 4.1.7 | ≥ 4.2.0, < 4.2.2
Apache software foundation1 product
- apache cxf≥ 4.2.0, < 4.2.2 | ≥ 4.0.0, < 4.1.7 | < 3.6.12
Org.apache.cxf1 product
- cxf-rt-transports-jms≥ 4.2.0, < 4.2.2 | ≥ 4.1.0, < 4.1.7 | < 3.6.12
3 vendors · 3 products
References
7 links- github.com/apache/cxfPACKAGE