Access Control Flaw in PSI Probe by Psi-Probe
CVE-2026-3268

5.3MEDIUM

Key Information:

Vendor

Psi-probe

Status
Psi Probe
Vendor
CVE Published:
26 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3268?

A vulnerability in PSI Probe, specifically in the Session Attribute Handler component, reveals improper access controls within the RemoveSessAttributeController.java file. This flaw allows remote attackers to manipulate session attributes, potentially leading to unauthorized actions. Despite early disclosure to the vendor, there has been no response, allowing the exploit to become public and pose a notable risk to users of versions up to 5.3.0.

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Affected Version(s)

PSI Probe 5.0

PSI Probe 5.1

PSI Probe 5.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3268 - Proof of Concept

References

https://vuldb.com/?id.347992
vdb-entry
https://vuldb.com/?ctiid.347992
signaturepermissions-required
https://vuldb.com/?submit.758664
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ana10gy (VulDB User)
VulDB
JSON
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