High 7.1Published Jul 10, 2026

CVE-2026-55881OpenReplay: Cross-tenant session replay disclosure via missing session ownership check in first-mob endpoint

Updated under an hour ago (Oct 28, 2026, 7:00 AM ET)

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It affects openreplay. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for openreplay

Exploited in the last 30 days

OpenReplay is a self-hosted session replay suite. From 1.22.0 before 1.27.0, getFirstMob returned 15-second presigned S3 download URLs for a session's DOM-replay recording based solely on the session path parameter, while validateProjectAccess checked only that the project belonged to the requester's tenant and did not verify that the session belonged to that project, allowing any authenticated low-privilege user to read another tenant's first 15 seconds of session-replay recording data. This issue is fixed in version 1.27.0.

CVSS: 7.1 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

openreplay openreplay openreplay:openreplay (from the name)	from 1.22.0, < 1.27.0	CNA record

References

References

https://github.com/openreplay/openreplay/security/advisories/GHSA-w2x5-m7w5-479h	x-refsource-confirm
https://github.com/openreplay/openreplay/pull/4692	x-refsource-misc
https://github.com/openreplay/openreplay/commit/ddd09117f644a309c7b040cda0a11ff9433e9e49	x-refsource-misc
https://github.com/openreplay/openreplay/releases/tag/v1.27.0	x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.