Which versions of Java are affected by CVE-2026-3269?

Organizations using psi-probe PSI Probe should be aware of moderate risk from CVE-2026-3269 rated CVSS 4.3. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2026-3269?

Yes, a public proof-of-concept exploit is available for CVE-2026-3269. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3269?

Within 30 days: Identify affected systems running psi-probe PSI Probe and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Java CVE-2026-3269

Q: What is the CVSS score of CVE-2026-3269?

CVE-2026-3269 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Improper Resource Shutdown or Release (CWE-404)

2026-02-27 cna@vuldb.com

GHSA-rx6w-2w6h-r346

Denial Of Service Java Psi Probe

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Mar 03, 2026 - 20:33 vuln.today

Public exploit code

CVE Published

Feb 27, 2026 - 00:16 nvd

MEDIUM 4.3

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

3 maven packages depend on com.github.psi-probe:psi-probe-core (3 direct, 0 indirect)

Ecosystem-wide dependent count for version 5.3.0.

DescriptionCVE.org

A flaw has been found in psi-probe PSI Probe up to 5.3.0. The impacted element is the function handleRequestInternal of the file psi-probe-core/src/main/java/psiprobe/controllers/sessions/ExpireSessionsController.java of the component Session Handler. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Psi Probe versions up to 5.3.0 contain a denial of service vulnerability in the session expiration handler that allows authenticated remote attackers to crash the application through request manipulation. Public exploit code is available for this vulnerability, and no patch has been released despite vendor notification. The vulnerability affects Java-based deployments of Psi Probe used for Tomcat monitoring.

Technical ContextAI

Classified as CWE-404 (Improper Resource Shutdown or Release). Affects Psi Probe. A flaw has been found in psi-probe PSI Probe up to 5.3.0. The impacted element is the function handleRequestInternal of the file psi-probe-core/src/main/java/psiprobe/controllers/sessions/ExpireSessionsController.java of the component Session Handler. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.