Protection Mechanism Failure Affecting ognl package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIANUNSTABLE-OGNL-21435043
- published23 Oct 2026
- disclosed20 Oct 2026
Introduced: 20 Oct 2026
NewCVE-2026-113730 (opens in a new tab)How to fix?
There is no fixed version for Debian:unstable ognl.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ognl package and not the ognl package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
OGNL is an Object Graph Navigation Library for Java. Prior to 3.4.13, the optional stricter-invocation mode in OgnlRuntime.invokeMethod checks the declaring class of the method that OGNL invokes but does not block java.lang.reflect.Method, java.lang.reflect.Constructor, or java.lang.reflect.Field. An attacker-controlled expression can invoke one of these reflection objects as a proxy for a method on a blocked class, causing the real operation to execute inside JDK reflection without passing through the stricter-invocation check again. Exploitation requires an application to evaluate untrusted OGNL expressions, use the default or an equivalently permissive MemberAccess that permits reflection, and rely on stricter invocation as a sandbox. Applications using a restrictive MemberAccess, including Apache Struts with SecurityMemberAccess, are not affected by this bypass. This issue is fixed in 3.4.13.
References
- https://security-tracker.debian.org/tracker/CVE-2026-113730
- https://github.com/orphan-oss/ognl/commit/16396fa4b560221294c2ab9ca04b76b161115e7d
- https://github.com/orphan-oss/ognl/commit/f4c17f794754d516ea799c36ed8524d1b7fb98e2
- https://github.com/orphan-oss/ognl/releases/tag/OGNL_3_4_13
- https://github.com/orphan-oss/ognl/security/advisories/GHSA-crwc-vw2r-qr6m