Inefficient regular expression complexity in Spring Framework - CVE-2026-41848
Published: August 31, 2026
Vulnerability identifier: #VU146408
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41848
CWE-ID: CWE-1333
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to regular expression denial of service in AntPathMatcher when processing an attacker-supplied pattern in match, matchStart, or extractUriTemplateVariables. A remote attacker can provide a crafted pattern to cause a denial of service.
The issue is exposed only if attacker-controlled input is directly or indirectly supplied as the pattern argument to the affected methods.
Affected software
Spring Framework
Netezza Appliance
Db2 Developer Extension
Netezza Appliance
Db2 Developer Extension
How to mitigate CVE-2026-41848
Install security update from vendor's website.
Spring Framework - addressed in versions 5.3.49, 6.1.28, 6.2.18.1, 6.2.19, 7.0.7.1, 7.0.8
Netezza Appliance - update to 1.0.2.0
Db2 Developer Extension - update to 1.2.0
Netezza Appliance - update to 1.0.2.0
Db2 Developer Extension - update to 1.2.0