Vulnerability Intelligence Report
User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allows Arbitrary DNS Lookups
CVE-2026-1089
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.
No Active Exploit Signals
CVSS Base Score
6.5
MEDIUM
Exploitability:3.9
Impact Score:2.6
EPSS Probability:0.23%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-74 ↗CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Fortra | GoAnywhere MFT | 0 < 7.10.0 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.229%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Fortra, LLC · Vendor · USA |
| Reserved | 2026-01-16T21:03:16 |
| Published | 2026-04-21T14:14:58 |
| Last Updated | 2026-04-21T15:00:35 |
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