CVE-2026-82262

Logto Server-Side Request Forgery via webhook test endpoint

8.2 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.46%Up 0.2 points since Aug 29, 2026

What each source reports

CVE List Score used 8.2

Logto Server-Side Request Forgery via webhook test endpoint

Record: CVE-2026-82262
CVSS 4.0: 8.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

EUVDEUVD-2026-67793 8.2

Record: EUVD-2026-67793
CVSS 4.0: 8.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-2442-5g74-2q7v 8.2

Logto through 1.42.0 contains a server-side request forgery vulnerability in the POST /api/hooks/...

Record: GHSA-2442-5g74-2q7v
CVSS 4.0: 8.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

NVD 8.2

Record: CVE-2026-82262
CVSS 4.0: 8.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-918
Updated: 2026-11-02

OSV 8.2

Logto Server-Side Request Forgery via webhook test endpoint

Record: CVE-2026-82262
CVSS 4.0: 8.2 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Weakness: CWE-918
Updated: 2026-11-02

Affected products

logto-io logto

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-82262 is a high vulnerability (CVSS 8.2) in Logto-io Logto, published August 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.