CVE-2026-102249: REBUILD file-editor-save authorization

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-29 · updated 2026-10-01
Weakness: CWE-862

Description

A security flaw has been discovered in REBUILD up to 4.4.11. This vulnerability affects unknown code of the file /commons/file-editor-save. The manipulation of the argument url/fileKey results in missing authorization. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

Rebuild: 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5 (+6)

References

https://github.com/ASantsSec/CVE/issues/26
https://vuldb.com/cve/CVE-2026-102249
https://vuldb.com/submit/933733
https://vuldb.com/vuln/411151
https://vuldb.com/vuln/411151/cti

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