Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-rx6w-2w6h-r346
Advisory ID github_osv/GHSA-rx6w-2w6h-r346
Aliases CVE-2026-3269
Summary PSI Probe: Broken access control can lead to DoS 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.
Status Published
Exploitability 0.5
Weighted Severity 3.9
Risk 1.9
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (2)
CWE-285 Improper Authorization
CWE-404 Improper Resource Shutdown or Release
System Score Found at
cvssv3.1 4.3 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-rx6w-2w6h-r346/GHSA-rx6w-2w6h-r346.json
cvssv4 2.1 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-rx6w-2w6h-r346/GHSA-rx6w-2w6h-r346.json
generic_textual LOW
Reference id Reference type URL
https://github.com/AnalogyC0de/public_exp/issues/13
https://github.com/psi-probe/psi-probe
https://vuldb.com/?ctiid.347993
https://vuldb.com/?id.347993
https://vuldb.com/?submit.758665
CVE-2026-3269 https://nvd.nist.gov/vuln/detail/CVE-2026-3269
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-rx6w-2w6h-r346/GHSA-rx6w-2w6h-r346.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
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 Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-rx6w-2w6h-r346/GHSA-rx6w-2w6h-r346.json
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2026-02-27T19:57:44Z/

Decision: Track

Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/3xxx/CVE-2026-3269.json

Source Advisory: vulnrichment/CVE-2026-3269

View SSVC decision tree 
[{'Exploitation': 'poc'},
 {'Automatable': 'no'},
 {'Technical Impact': 'partial'},
 {'Mission Prevalence': 'minimal'},
 {'Public Well-being Impact': 'material'},
 {'Mission & Well-being': 'medium'}]