CVE-2026-53976 Details.
OpenChamber <1.13.0 - Unauthenticated Arbitrary File Read
Atlas does not check this one. Works by exploiting the flaw.
The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check.
About CVE-2026-53976. What It Means.
OpenChamber 1.11.7 contains a path traversal vulnerability in the file-serving endpoints /api/fs/read, /api/fs/stat, and /api/fs/raw that allows unauthenticated remote attackers to read arbitrary files by supplying the allowOutsideWorkspace=true query parameter alongside an absolute path, bypassing the workspace boundary check in resolveReadPathFromContext. Attackers can exploit the vacuous isPathWithinRoot guard to read sensitive files such as the JWT signing secret, SSH pr…
Affected Product. What Is Hit.
- Vendor
- openchamber
- Product
- OpenChamber
References. Where To Read More.
FAQ
Common Questions.
OpenChamber <1.13.0 - Unauthenticated Arbitrary File Read. OpenChamber 1.11.7 contains a path traversal vulnerability in the file-serving endpoints /api/fs/read, /api/fs/stat, and /api/fs/raw that allows unauthenticated remote attackers to read arbitrary files by supplying the allowOutsideWorkspace=true query parameter alongside an absolute path, bypassing the workspace boundary check in resolveReadPathFromContext. Attackers can exploit the vacuous isPathWithinRoot guard to read sensitive files such as the JWT signing secret, SSH pr…
No. The only reliable test for this one is to try the weakness itself, which can disturb the site. Atlas does not do that, so it does not run this check. The facts about CVE-2026-53976 are on this page, and you can request a demo to see how Brandefense watches your whole external attack surface.
CVE-2026-53976 is not on the CISA Known Exploited Vulnerabilities list at the time of writing, but it is still worth fixing.
Update OpenChamber to the latest version from the vendor, or follow the vendor's advice to switch off the affected feature. Vendor links are listed on this page when they are known.
This page lists the public facts about CVE-2026-53976. Atlas does not run a check for it, so nothing here says whether a particular site is affected.