Allocation of Resources Without Limits or Throttling in Wildfly Elytron - CVE-2026-10832
Published: September 29, 2026
Vulnerability identifier: #VU152751
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-10832
CWE-ID: CWE-770
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 allocation of resources without limits or throttling in the DERDecoder class when processing a crafted DER payload containing an inflated length value. A remote attacker can send a specially crafted DER payload to cause a denial of service.
This affects services that process untrusted DER/ASN.1 input, including SASL authentication mechanisms and X.500 certificate principal parsing paths.
Affected software
Wildfly Elytron
How to mitigate CVE-2026-10832
Install security update from vendor's website.
Wildfly Elytron - addressed in versions 2.6.11, 2.8.6, 2.9.3