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Status published
Medium
CVE-2025-12799
Jastow: jastow cross-site scripting attack due to unsanitized uri
Vulnerability Description
A flaw was found in Jastow. Jastow is vulnerable to Cross-Site Scripting (XSS) attack. If using a set of combined configuration to allow unescaped characters in URL with embedded Undertow and Jastow, a server might be vulnerable to improper input handling.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://access.redhat.com/errata/RHSA-2026:36342
- https://access.redhat.com/errata/RHSA-2026:36343
- https://access.redhat.com/errata/RHSA-2026:36344
- https://access.redhat.com/errata/RHSA-2026:36345
- https://access.redhat.com/security/cve/CVE-2025-12799
- https://bugzilla.redhat.com/show_bug.cgi?id=2413071
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Affected Vendor
Red Hat
View all reports →Affected Software
Red Hat JBoss Enterprise Application Platform 8.1, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat JBoss Enterprise Application Platform Expansion Pack, Red Hat Single Sign-On 7
Vulnerable Versions:
0:1-9.el10eap, 0:2.40.0-7.redhat_00015.1.el10eap, 1:2.0.0-2.redhat_00005.1.el10eap, 0:1.8.0-2.redhat_00001.1.el10eap, 0:2.4.0-1.redhat_00002.1.el10eap, 0:2.3.0-1.redhat_00001.1.el10eap, 0:2.0.5-1.redhat_00001.1.el10eap, 0:2.0.3-1.redhat_00001.1.el10eap, 0:4.13.2-1.redhat_00001.1.el10eap, 0:1.11.0-1.redhat_00001.1.el10eap, 0:1.9.0-1.redhat_00001.1.el10eap, 0:1.17.2-1.redhat_00001.1.el10eap, 0:3.2.2-28.redhat_2.1.el10eap, 0:2.16.1-2.redhat_00002.1.el10eap, 0:3.18.0-2.redhat_00003.1.el10eap, 0:4.0.10-3.redhat_00001.1.el10eap, 0:4.1.0-1.redhat_00001.1.el10eap, 0:0.8.12-1.redhat_00001.1.el10eap, 0:2.14.0-4.redhat_00003.1.el10eap, 0:2.0.4-1.Final_redhat_00001.1.el10eap, 0:0.1.0-2.redhat_00010.1.el10eap, 0:2.0.1-5.redhat_00007.1.el10eap, 0:2.30.32-3.redhat_00003.1.el10eap, 0:8.6.6-5.redhat_00001.1.el10eap, 0:1.84.0-1.redhat_00001.1.el10eap, 0:1.14.18-2.redhat_00001.1.el10eap, 0:3.1.8-2.redhat_00002.1.el10eap, 0:1.0.0-2.Final_redhat_1.1.el10eap, 0:1.2.5-2.redhat_00001.1.el10eap, 0:801.7.0-1.GA_redhat_00001.1.el10eap, 1:3.33.0-1.redhat_00001.1.el10eap, 0:6.10.1.202505221210-1.r_redhat_00002.1.el10eap, 0:8.15.4-4.redhat_00003.1.el10eap, 0:4.1.2-1.Final_redhat_00001.1.el10eap, 0:1.0.1-3.redhat_00003.1.el10eap, 0:5.0.0-6.redhat_00001.1.el10eap, 0:2.1.1-1.redhat_00001.1.el10eap, 0:1.2.0-4.redhat_00007.1.el10eap, 0:1.1.0-4.redhat_00007.1.el10eap, 0:1.0.13-4.redhat_5.1.el10eap, 0:2.10.1-2.redhat_00005.1.el10eap, 0:1.0.3-1.redhat_00001.1.el10eap, 0:33.0.0-3.jre_redhat_00004.1.el10eap, 0:2.2.224-4.redhat_00003.1.el10eap, 0:3.7.19-1.Final_redhat_00001.1.el10eap, 0:6.6.50-1.Final_redhat_00001.1.el10eap, 0:7.0.3-3.Final_redhat_00002.1.el10eap, 0:7.2.6-1.Final_redhat_00001.1.el10eap, 0:8.0.2-1.Final_redhat_00001.1.el10eap, 0:2.4.11-1.Final_redhat_00001.1.el10eap, 0:0.10.0-2.redhat_00001.1.el10eap, 0:4.1.5-4.redhat_00006.1.el10eap, 0:4.5.14-5.redhat_00016.1.el10eap, 0:4.4.16-6.redhat_00011.1.el10eap, 0:15.0.21-1.Final_redhat_00002.1.el10eap, 0:1.1.3-2.redhat_00002.1.el10eap, 0:1.1.1-1.Final_redhat_00001.1.el10eap, 0:3.0.18-1.Final_redhat_00001.1.el10eap, 0:2.18.4-2.redhat_00002.1.el10eap, 0:2.18.4-1.redhat_00002.1.el10eap, 0:1.8.0-3.redhat_00002.1.el10eap, 0:2.1.4-1.redhat_00001.1.el10eap, 0:2.1.1-5.redhat_00005.1.el10eap, 0:3.0.0-3.redhat_00001.1.el10eap, 0:2.1.0-3.redhat_00001.1.el10eap, 0:2.1.1-3.redhat_00003.1.el10eap, 0:4.0.1-2.redhat_00001.1.el10eap, 0:3.0.2-1.redhat_00001.1.el10eap, 0:3.0.3-1.redhat_00001.1.el10eap, 0:2.1.0-5.redhat_00003.1.el10eap, 0:3.1.0-4.redhat_00003.1.el10eap, 0:1.1.6-5.redhat_00003.1.el10eap, 0:2.1.3-1.redhat_00002.1.el10eap, 0:2.1.3-3.redhat_00003.1.el10eap, 0:2.1.0-2.redhat_00001.1.el10eap, 0:3.0.0-2.redhat_00001.1.el10eap, 0:6.0.0-6.redhat_00007.1.el10eap, 0:3.1.1-1.redhat_00001.1.el10eap, 0:2.0.1-3.redhat_00004.1.el10eap, 0:3.0.2-3.redhat_00006.1.el10eap, 0:3.1.0-5.redhat_00003.1.el10eap, 0:4.0.4-1.redhat_00001.1.el10eap, 0:3.2.7-1.redhat_00001.1.el10eap, 0:2.4.1-2.redhat_00001.1.el10eap, 0:1.9.3-4.redhat_00004.1.el10eap, 0:1.6.0-1.redhat_00001.1.el10eap, 0:3.1.0-4.redhat_00002.1.el10eap, 0:3.0.3-2.redhat_00001.1.el10eap, 0:1.2.3-1.redhat_00002.1.el10eap, 0:6.0.0-8.el10eap, 0:4.0.6-1.redhat_00001.1.el10eap, 0:2.0.1-2.redhat_00001.1.el10eap, 0:3.1.0-1.Final_redhat_00001.1.el10eap, 0:2.4.0-2.redhat_00001.1.el10eap, 0:1.3.1-1.Final_redhat_00001.1.el10eap, 0:2.0.1-2.Final_redhat_00001.1.el10eap, 0:1.7.0-2.Final_redhat_00001.1.el10eap, 0:2.4.0-2.Final_redhat_00001.1.el10eap, 0:5.0.8-1.Final_redhat_00001.1.el10eap, 0:4.0.2-1.Final_redhat_00001.1.el10eap, 0:3.0.0-3.Final_redhat_00001.1.el10eap, 0:2.0.1-1.Final_redhat_00001.1.el10eap, 0:1.0.0-1.Final_redhat_00001.1.el10eap, 0:3.6.2-1.Final_redhat_00001.1.el10eap, 0:2.1.19-1.Final_redhat_00001.1.el10eap, 0:2.2.3-2.Final_redhat_00001.1.el10eap, 0:16.1.0-1.Final_redhat_00001.1.el10eap, 0:2.1.6-1.Final_redhat_00001.1.el10eap, 0:1.5.5-1.Final_redhat_00001.1.el10eap, 0:10.1.1-1.Final_redhat_00001.1.el10eap, 0:5.0.31-1.Final_redhat_00001.1.el10eap, 0:3.1.0-3.Final_redhat_00002.1.el10eap, 0:1.1.0-1.Final_redhat_00001.1.el10eap, 0:2.5.0-1.redhat_00001.1.el10eap, 0:8.0.0-1.Final_redhat_00001.1.el10eap, 0:3.3.2-1.Final_redhat_00001.1.el10eap, 0:5.0.0-4.SP3_redhat_00001.1.el10eap, 0:3.0.0-1.Final_redhat_00001.1.el10eap, 0:5.1.0-2.Final_redhat_00001.1.el10eap, 0:2.1.0-2.Final_redhat_00001.1.el10eap, 0:7.3.8-1.Final_redhat_00001.1.el10eap, 0:2.0.0-1.Final_redhat_00001.1.el10eap, 0:5.0.0-1.Final_redhat_00001.1.el10eap, 0:3.8.16-1.Final_redhat_00001.1.el10eap, 0:1.0.0-3.redhat_00009.1.el10eap, 1:5.3.23-1.Final_redhat_00001.1.el10eap, 0:3.0.1-1.Final_redhat_00001.1.el10eap, 0:2.0.2-1.Final_redhat_00002.1.el10eap, 0:2.0.2-1.Final_redhat_00001.1.el10eap, 0:2.12.7-1.redhat_00002.1.el10eap, 0:0.9.6-2.redhat_00002.1.el10eap, 0:4.0.11-1.redhat_00001.1.el10eap, 0:3.0.1-2.redhat_00002.1.el10eap, 0:1.9.0-3.redhat_00002.1.el10eap, 0:1.0.1-1.Final_redhat_3.1.el10eap, 0:2.23.1-2.redhat_00002.1.el10eap, 0:9.11.1-1.redhat_00001.1.el10eap, 0:7.1.2-2.Final_redhat_00001.1.el10eap, 0:3.2.1-1.redhat_00002.1.el10eap, 0:4.1.132-1.Final_redhat_00001.1.el10eap, 0:0.1.10-1.Final_redhat_00001.1.el10eap, 0:9.37.3-1.redhat_00001.1.el10eap, 0:9.7.1-3.redhat_00002.1.el10eap, 0:4.3.2-2.redhat_00002.1.el10eap, 0:1.1.7-3.redhat_00003.1.el10eap, 0:2.4.0-1.redhat_00001.1.el10eap, 0:3.6.1-1.redhat_00001.1.el10eap, 0:4.0.3-2.redhat_00001.1.el10eap, 0:5.0.14-2.Final_redhat_00002.1.el10eap, 0:1.0.4-4.redhat_00005.1.el10eap, 0:3.1.12-1.redhat_00001.1.el10eap, 0:2.2.21-5.redhat_00003.1.el10eap, 0:2.2.0-2.redhat_00001.1.el10eap, 0:6.2.15-1.Final_redhat_00002.1.el10eap, 0:2.0.1-3.Final_redhat_00001.1.el10eap, 0:3.2.0-3.Final_redhat_00001.1.el10eap, 0:3.0.4-2.redhat_00002.1.el10eap, 0:8.0.0-6.redhat_00001.1.el10eap, 0:2.0.17-1.redhat_00001.1.el10eap, 0:2.3.0-1.redhat_00002.1.el10eap, 0:4.2.2-2.redhat_00003.1.el10eap, 0:2.1.0-3.redhat_00003.1.el10eap, 0:1.5.0-2.Final_redhat_00001.1.el10eap, 0:4.1.2-2.redhat_00003.1.el10eap, 0:2.3.24-4.SP3_redhat_00001.1.el10eap, 0:2.2.9-1.SP1_redhat_00001.1.el10eap, 0:1.1.6-3.redhat_1.1.el10eap, 0:2.3.0-7.redhat_00010.1.el10eap, 0:5.1.6-1.Final_redhat_00001.1.el10eap, 0:8.1.7-4.GA_redhat_00003.1.el10eap, 0:1.0.1-4.Final_redhat_00002.1.el10eap, 0:5.0.12-1.Final_redhat_00001.1.el10eap, 0:1.7.0-2.Final_redhat_00003.1.el10eap, 0:1.3.0-1.Final_redhat_00001.1.el10eap, 0:2.6.9-1.Final_redhat_00001.1.el10eap, 0:3.1.4-2.Final_redhat_00001.1.el10eap, 0:2.1.4-1.Final_redhat_00001.1.el10eap, 0:8.1.1-11.GA_redhat_00019.1.el10eap, 0:2.3.0-1.Final_redhat_00001.1.el10eap, 0:2.3.0-1.Final.redhat.00001.1.el10eap, 0:3.0.5-1.Final_redhat_00001.1.el10eap, 0:7.0.0-1.redhat_00002.1.el10eap, 0:2.3.0-2.redhat_00002.1.el10eap, 0:1.6.3-5.redhat_00008.1.el10eap, 0:3.0.4-1.redhat_00002.1.el10eap, 0:1.2.0-2.redhat_12.1.el10eap, 0:3.0.5-1.redhat_00001.1.el10eap, 0:3.0.4-5.redhat_00007.1.el10eap, 0:4.0.10-3.redhat_00001.1.el8eap, 0:2.0.4-1.Final_redhat_00001.1.el8eap, 0:801.7.0-1.GA_redhat_00001.1.el8eap, 0:6.6.50-1.Final_redhat_00001.1.el8eap, 0:7.3.8-1.Final_redhat_00001.1.el8eap, 1:5.3.23-1.Final_redhat_00001.1.el8eap, 0:2.3.24-4.SP3_redhat_00001.1.el8eap, 0:2.2.9-1.SP1_redhat_00001.1.el8eap, 0:8.1.7-4.GA_redhat_00003.1.el8eap, 0:2.6.9-1.Final_redhat_00001.1.el8eap, 0:8.1.1-11.GA_redhat_00019.1.el8eap, 0:4.0.10-3.redhat_00001.1.el9eap, 0:2.0.4-1.Final_redhat_00001.1.el9eap, 0:801.7.0-1.GA_redhat_00001.1.el9eap, 0:6.6.50-1.Final_redhat_00001.1.el9eap, 0:7.3.8-1.Final_redhat_00001.1.el9eap, 1:5.3.23-1.Final_redhat_00001.1.el9eap, 0:2.3.24-4.SP3_redhat_00001.1.el9eap, 0:2.2.9-1.SP1_redhat_00001.1.el9eap, 0:8.1.7-4.GA_redhat_00003.1.el9eap, 0:2.6.9-1.Final_redhat_00001.1.el9eap, 0:8.1.1-11.GA_redhat_00019.1.el9eap
Timeline
Official Publish:
July 7th, 2026
Last Modified:
July 9th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N