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Vulnerability record · CVE-2025-67796 · published 4 May 2026

CVE-2025-67796: Improper access control vulnerability

IKUS Rdiffweb before 2.10.5 has an improper authorization flaw that allows an attacker with any valid or stolen access token to act as other users. The API does not enforce binding between the authenticated subject and the targeted user/tenant, so crafted requests can read or modify other users data and, in some cases, perform privileged actions. This issue may enable cross-tenant access. Fixed in version 2.10.6.

8.1 CVSS 3.1 High EPSS 0.25% · top 85.9% CWE-284 · Improper access control Awaiting Analysis
8.1CVSS 3.1 base score
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

IKUS Rdiffweb before 2.10.5 has an improper authorization flaw that allows an attacker with any valid or stolen access token to act as other users. The API does not enforce binding between the authenticated subject and the targeted user/tenant, so crafted requests can read or modify other users data and, in some cases, perform privileged actions. This issue may enable cross-tenant access. Fixed in version 2.10.6.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://gitlab.com/ikus-soft/rdiffweb
https://gitlab.com/ikus-soft/rdiffweb#2106-2025-10-02

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Source: NIST National Vulnerability Database (record CVE-2025-67796), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.