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CVE-2026-73160 is a high-severity server-side request forgery vulnerability in cti-transmute affecting versions 1.4.0 and earlier. The flaw is present in the /fetch_misp_event and /misp_search_events endpoints. The vulnerable URL validation logic rejected private, loopback, link-local, and reserved addresses only when the supplied host was an IP literal, but accepted ordinary domain names without resolving them first. An attacker could therefore provide a hostname whose DNS resolution pointed to an internal or otherwise non-public address, causing the application server to issue requests to internal network resources. The issue was compounded by the affected routes being accessible to anonymous users. The fix resolves hostnames with socket.getaddrinfo(), verifies that all resolved addresses are globally routable, and adds authentication requirements to the affected endpoints.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An unauthenticated SSRF vulnerability in MISP cti-transmute that allows attackers to supply hostnames resolving to internal IP addresses, causing the server to make requests into its internal network and read responses.
An unauthenticated SSRF vulnerability in CTI-Transmute remote-MISP fetch routes that allows proxying requests into internal networks and reading responses.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.