User‑Controlled HTTP Header In Fortra's GoAnywhere MFT Allows Arbitrary DNS Lookups

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Summary

CVECVE-2026-1089
StatePUBLISHED
AssignerFortra
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-21 15:16:35 UTC
Updated2026-04-21 16:20:24 UTC
DescriptionUser‑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.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from df4dee71-de3a-4139-9588-11b62fe6c0ff

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS: 0.000410000 probability, percentile 0.126410000 (date 2026-04-22)

Problem Types: CWE-74 | CWE-74 CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

VersionSourceTypeScoreSeverityVector
3.1df4dee71-de3a-4139-9588-11b62fe6c0ffSecondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Fortra GoAnywhere MFT affected 7.10.0 semver Not specified

References

ReferenceSourceLinkTags
www.fortra.com/security/advisories/product-security/fi-2026-005 df4dee71-de3a-4139-9588-11b62fe6c0ff www.fortra.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Solutions

CNA: Upgrade to a remediated version (version 7.10.0 or later).

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