CVE-2026-113730: OGNL is an Object Graph Navigation Library for Java

Q: How do I fix CVE-2026-113730?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Q: Is CVE-2026-113730 being exploited?

CVE-2026-113730 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-113730 affect?

CVE-2026-113730 affects affected software. Severity is medium (CVSS 5.6). 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,

Q: How urgent is CVE-2026-113730?

Priority 32/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.6REMOTE

CVE-2026-113730 is a medium-severity flaw (CVSS 5.6) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 72%)
CISA exploited list	No
Weakness	CWE-693
Published	2026-10-20
Last modified	2026-10-22

Publisher (CNA): GitHub, Inc.

Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-10-20Published CVE record published
2026-10-22 17:29 UTCUpdated Record last modified

Exact fixes by distribution

Maven · ognl:ognl · FIXED · 3.4.13 · vulnerable: <= 3.4.12 · source

Set ognl:ognl to 3.4.13 or later in pom.xml or build.gradle, then rebuild and redeploy.

Fedora 46 · sugar-clock · FIXED · 22.1-17.fc46 · FEDORA-2026-57948849df · source

sudo dnf upgrade --advisory=FEDORA-2026-57948849df

Fedora ELN · selinux-policy · FIXED · 45.23-1.eln159 · FEDORA-2026-3668c969a2 · source

sudo dnf upgrade --advisory=FEDORA-2026-3668c969a2

Debian 12 · ognl · NO FIX YET

Debian 13 · ognl · NO FIX YET

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-113730?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-113730 being exploited?

CVE-2026-113730 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-113730 affect?

CVE-2026-113730 affects affected software. Severity is medium (CVSS 5.6). 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,

How urgent is CVE-2026-113730?

Priority 32/100. Remotely exploitable, no login, no user action

Software pages

Java vulnerabilities

References

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