CVE-2026-103526
CVE-2026-103526
In Thelia v2.6.0, both the administrative login and forgotten password endpoints return different responses for invalid usernames and incorrect passwords, allowing unauthenticated attackers to enumerate valid administrator accounts. Because the endpoint also lacks rate limiting or other protections against repeated authentication attempts, username enumeration can be performed efficiently at scale.
Published .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-103526?
- CVE-2026-103526 is a low-severity vulnerability, classified under Observable Response Discrepancy. CVSS score: 3.7/10. Published 2026-10-12.
- How severe is CVE-2026-103526?
- Low severity. CVSS v3 base score is 3.7 out of 10.