Vulnerability · Published Apr 21, 2026 · Assigned by Fortra
CVE-2026-1089User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allows Arbitrary DNS Lookups
Medium 6.5
In plain English
A medium-severity injection in GoAnywhere MFT from Fortra. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
User‑Controlled HTTP Header in Fortra's GoAnywhere MFT prior to version 7.10.0 allows attackers to trigger a DNS lookup, as well as DNS Rebinding and Information Disclosure.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Fortra | GoAnywhere MFT | 0 – before 7.10.0 |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L