Vulnerability · Published Aug 28, 2026 · Assigned by VulnCheck
CVE-2026-82262Logto Server-Side Request Forgery via webhook test endpoint
Medium 6.8
In plain English
A medium-severity server-side request forgery in logto from logto-io. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.5%top 60.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
References
- GitHub Issue #9465 issue-tracking
- https://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