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CVE-2026-73160: CWE-918 Server-Side Request Forgery (SSRF) in MISP cti-transmute

0
High
VulnerabilityCVE-2026-73160cvecve-2026-73160cwe-918
Published: 08/11/2026 (08/11/2026, 09:01:24 UTC)
Source: CVE Database V5
Vendor/Project: MISP
Product: cti-transmute

Description

Affected versions of cti-transmute contain an SSRF vulnerability in the /fetch_misp_event and /misp_search_events endpoints. The URL validation routine checked whether a supplied hostname was itself an IP literal and rejected private, loopback, link-local, or reserved IPs. However, ordinary domain names were accepted without resolving them first. An attacker could therefore use a hostname whose DNS record pointed to an internal address and cause the cti-transmute server to issue requests into its internal network. The commit explicitly states that anonymous callers could make the server request the internal target and read the response. The fix resolves hostnames using socket.getaddrinfo(), checks that every resolved address is globally routable, and additionally places @login_required on both affected MISP fetch/search routes.

CVSS v4.0

Score 8.7high

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
None
Vuln. Confidentiality
High
Vuln. Integrity
None
Vuln. Availability
None
Subsq. Confidentiality
Low
Subsq. Integrity
None
Subsq. Availability
None
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N

Affected software

GitHub Actionsmore threats →cve
cti-transmute
pkg:github/cti-transmute
Affected versions
<=1.4.0

Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.

Technical Details

Data Version
5.2
Assigner Short Name
CIRCL
Date Reserved
2026-08-11T09:01:22.135Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 6a7ae762bf8831d539789b3b

Added to database: 08/11/2026, 09:12:02 UTC

Last updated: 08/11/2026, 09:12:02 UTC

Views: 1

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