CVE-2026-23989REVA is an interoperability platform.
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It affects heinlein opencloud_reva. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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REVA is an interoperability platform. Prior to 2.42.3 and 2.40.3, a bug in the GRPC authorization middleware of the "Reva" component of OpenCloud allows a malicious user to bypass the scope verification of a public link. By exploiting this via the the "archiver" service this can be leveraged to create an archive (zip or tar-file) containing all resources that this creator of the public link has access to. This vulnerability is fixed in 2.42.3 and 2.40.3.
- CVSS
- 8.1 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
heinlein opencloud_reva heinlein:opencloud_reva | before 2.40.3; from 2.41.0 before 2.42.3 | NVD |
References
- https://github.com/opencloud-eu/reva/commit/95aa2bc5d980eaf6cc134d75782b4f5ac7b36ae1patch
- https://github.com/opencloud-eu/reva/security/advisories/GHSA-9j2f-3rj3-wgpgvendor-advisory
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.