CVE-2026-71504: Auth Bypass (CVSS 8.1)

Description

Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members REST API that allows attackers with only member-creation rights to reset the password of any user account, including the system administrator, without verifying password-change permissions. Attackers can supply an arbitrary user account identifier and new password in the request body to overwrite credentials and immediately lock out the legitimate account holder.

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CVSS v3.1 Score

8.1

HIGH

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

EPSS — Exploit Prediction

0.0026

Probability of exploitation

0.18%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-862 Missing Authorization

CWE-915 CWE-915

References

Other References

https://codeant.ai/security-research/cve-2026-71504-mass-assignment-in-members-api-via-pass https://github.com/Dolibarr/dolibarr/commit/fbf476cc5d9a21b16bfa04ab17d4e84eda38d7ce https://github.com/Dolibarr/dolibarr/releases/tag/24.0.0 https://www.vulncheck.com/advisories/dolibarr-members-rest-api-improper-authorization-via-password-reset

Frequently Asked Questions

What is CVE-2026-71504? +

Dolibarr before 24.0.0 contains an improper authorization vulnerability in the Members REST API that allows attackers with only member-creation rights to reset the password of any user account, including the system administrator, without verifying password-change permissions. Attackers can supply an arbitrary user account identifier and new password in the request body to overwrite credentials and immediately lock out the legitimate account holder. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-71504? +

CVE-2026-71504 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-71504? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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