SSRF in Logto-Io Logto
CVE-2026-82262
Logto through 1.42.0 contains a server-side request forgery vulnerability in the POST /api/hooks/:id/test endpoint that accepts arbitrary URLs without host validation. Tenant administrators with Management API tokens can make the server issue HTTP POST requests to internal URLs and retrieve response bodies from services on the private network.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (38.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- GitHub Issue #9465 (issue-tracking)
- github.com/logto-io/logto (product)
- Vulnerable code: utils.ts (technical-description)
- Fix commit (patch)
- VulnCheck Advisory: Logto Server-Side Request Forgery via webhook test endpoint (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82262?
- CVE-2026-82262 is a medium-severity vulnerability in Logto-Io Logto, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.8/10. Published 2026-08-28.
- How severe is CVE-2026-82262?
- Medium severity. CVSS v3 base score is 6.8 out of 10.