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CVE-2026-23646: Exposure of Data Element to Wrong Session

🗓️ 19 Jan 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 2 Views

OpenProject before 16.6.5 and 17.0.1 allows unauthenticated session termination via ID iteration.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23646
19 Jan 202617:48
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cnnvd
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19 Jan 202600:00
–cnnvd
cve
CVE
CVE-2026-23646
19 Jan 202617:48
–cve
cvelist
Cvelist
CVE-2026-23646 OpenProject users can delete other user's session, causing them to be logged out
19 Jan 202617:48
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euvd
EUVD
EUVD-2026-3308
19 Jan 202617:48
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nvd
NVD
CVE-2026-23646
19 Jan 202618:16
–nvd
ptsecurity
Positive Technologies
PT-2026-3465
19 Jan 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-23646
20 Jan 202618:18
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-23646 OpenProject users can delete other user's session, causing them to be logged out
19 Jan 202617:48
–vulnrichment

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02 Feb 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
EPSS0.00366
SSVC
2