CVE-2026-35671
CVE-2026-35671 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-32902
- Weakness: CWE-266
- Published:
- Last modified:
Description
phpMyFAQ before 4.1.3 contains an insecure direct object reference vulnerability in the admin API user password endpoint that allows authenticated administrators to change any user's password without authorization verification. An attacker with low-privilege admin credentials can escalate to SuperAdmin by modifying the userId parameter in the overwrite-password API request.
Frequently asked questions
- What is CVE-2026-35671?
- phpMyFAQ before 4.1.3 contains an insecure direct object reference vulnerability in the admin API user password endpoint that allows authenticated administrators to change any user's password without authorization verification. An attacker with low-privilege admin credentials can escalate to SuperAdmin by modifying the userId parameter in the overwrite-password API request.
- How severe is CVE-2026-35671?
- CVE-2026-35671 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-35671 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-35671?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-35671 have an EU (EUVD) identifier?
- Yes. CVE-2026-35671 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32902.
- When was CVE-2026-35671 published?
- CVE-2026-35671 was published on 2026-05-28 and last updated on 2026-06-17.
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-xvp4-phqj-cjr3
- https://www.vulncheck.com/advisories/phpmyfaq-insecure-direct-object-reference-in-user-password-api
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