CVE-2026-3269— psi-probe PSI Probe Session ExpireSessionsController.java handleRequestInternal denial of service
Quick assessment
Affected
psi-probe PSI Probe
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PSI Probe是Psi-Probe开源的一个Tomcat监控和管理工具。 PSI Probe 5.3.0及之前版本存在安全漏洞，该漏洞源于对文件psi-probe-core/src/main/java/psiprobe/controllers/sessions/ExpireSessionsController.java中函数handleRequestInternal的操作可能导致拒绝服务。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-3269
Vulnerability Information
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Vulnerability Title
psi-probe PSI Probe Session ExpireSessionsController.java handleRequestInternal denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
PSI Probe 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PSI Probe是Psi-Probe开源的一个Tomcat监控和管理工具。 PSI Probe 5.3.0及之前版本存在安全漏洞，该漏洞源于对文件psi-probe-core/src/main/java/psiprobe/controllers/sessions/ExpireSessionsController.java中函数handleRequestInternal的操作可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-3269
| # | POC Description | Source Link | Shenlong Link |
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Proof of Concept for CVE-2026-3269 (1)
Same Patch Batch · psi-probe · 2026-02-26 · 3 CVEs total
| CVE-2026-3270 | 6.3 MEDIUM | psi-probe PSI Probe Whois Whois.java lookup server-side request forgery |
| CVE-2026-3268 | 5.4 MEDIUM | psi-probe PSI Probe Session Attribute RemoveSessAttributeController.java access control |
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V. Comments for CVE-2026-3269
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