Auth bypass in Ph7software Ph7builder
CVE-2026-107637
pH7Builder (pH7 Social Dating CMS) before 18.5.0 contains an improper authorization vulnerability in the note module delete() action that allows authenticated members to delete other members' note comments and categories. Attackers can submit another member's note ID in the POST id parameter to remove all comments and category associations, since those queries lack profile ID checks.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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.
Affected products
Weakness classification (CWE)
References
- github.com/pH7Software/pH7-Social-Dating-CMS/commit/e784139b2385ef44d08a1d586c3… (patch)
- github.com/pH7Software/pH7-Social-Dating-CMS/blob/v18.4.1/_protected/app/system… (technical-description)
- github.com/pH7Software/pH7-Social-Dating-CMS (product)
- www.vulncheck.com/advisories/ph7builder-before-18.5.0-improper-authorization-vi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-107637?
- CVE-2026-107637 is a medium-severity vulnerability in Ph7software Ph7builder, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-08.
- How severe is CVE-2026-107637?
- Medium severity. CVSS v3 base score is 4.3 out of 10.