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TI-2026-02821 Aliases CVE-2026-3269GHSA-rx6w-2w6h-r346

psi-probe PSI Probe Session ExpireSessionsController.java handleRequestInternal denial of service

Priority MEDIUM 57CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service, Security bypass
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-404 and CWE-285.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00637 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
psi-probePSI Probe5.0; 5.1; 5.2; 5.3.0—No fix listedCNA
—com.github.psi-probe:psi-probe-core (Maven)up to 5.3.0—No fix listedGHSA-rx6w-2w6h-r346
  • PSI Probe Vendorpsi-probe Affected 5.0; 5.1; 5.2; 5.3.0 Fixed in — No fix listed CNA
  • com.github.psi-probe:psi-probe-core (Maven) Vendor— Affected up to 5.3.0 Fixed in — No fix listed GHSA-rx6w-2w6h-r346

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:psi-probe:psi_probe:*:*:*:*:*:*:*:*up to 5.3.0Vulnerablepsi-probe
  • cpe:2.3:a:psi-probe:psi_probe:*:*:*:*:*:*:*:* Versions up to 5.3.0 Vulnerable ·psi-probe

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3269
  2. 2026-10-03 Alias added: GHSA-rx6w-2w6h-r346

References

  • TI-2026-02822 psi-probe PSI Probe Whois Whois.java lookup server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2026-02820 psi-probe PSI Probe Session Attribute RemoveSessAttributeController.java access control CVSS 4.0MEDIUM 5.3

Sources