Cross-tenant replay disclosure via missing session ownership check
Published Jul 10, 2026 · Updated Jul 10, 2026
Authorization bypass in OpenReplay 1.22.0 through 1.26.9 allows remote authenticated users to read cross-tenant session replay data. The getFirstMob handler uses the session path value to mint 15-second presigned S3 URLs after validateProjectAccess checks only project tenancy, without confirming that the session belongs to the project. Exploitation requires a low-privilege account and multi-tenancy, and exposes only the first 15 seconds of a selected recording.
Summary
What happened
Authorization bypass in OpenReplay 1.22.0 through 1.26.9 allows remote authenticated users to read cross-tenant session replay data. The getFirstMob handler uses the session path value to mint 15-second presigned S3 URLs after validateProjectAccess checks only project tenancy, without confirming that the session belongs to the project. Exploitation requires a low-privilege account and multi-tenancy, and exposes only the first 15 seconds of a selected recording.
The record
- CVE
- CVE-2026-55881
- Published
- Jul 10, 2026
- Updated
- Jul 10, 2026
- Vendor
- OpenReplay
- Product
- OpenReplay
- Classifications
- CWE-639, T1530
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Jul 10, 2026CVE publishedPublication date reported by the CVE source.
- Jul 10, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=>= 1.22.0, < 1.27.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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