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Vulnerability record · CVE-2026-51923 · published 9 July 2026

CVE-2026-51923: Insecure direct object reference vulnerability

An Insecure Direct Object Reference (IDOR) vulnerability exists in docuForm GmbH Client v.11.11c allowing a remote attacker to execute arbitrary code via the user settings component, and modify or retrieve sensitive data associated with other users’ accounts.

8.1 CVSS 3.1 High EPSS 0.68% · top 49.5% CWE-639 · Insecure direct object reference Deferred
8.1CVSS 3.1 base score
0.68%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
10 Jul 2026Last modified by NVD

Description

An Insecure Direct Object Reference (IDOR) vulnerability exists in docuForm GmbH Client v.11.11c allowing a remote attacker to execute arbitrary code via the user settings component, and modify or retrieve sensitive data associated with other users’ accounts.

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

References

LinkTags
https://ZeroBreach.de
https://docuform.de
https://gist.github.com/ZeroBreach-GmbH

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed

Source: NIST National Vulnerability Database (record CVE-2026-51923), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.