CVE-2026-1089: User‑Controlled HTTP Header in Fortra's GoAnywhere MFT prior to version 7.10.0 allows attackers to trigger a D

Q: How do I fix CVE-2026-1089?

goanywhere managed file transfer: upgrade to 7.10.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-1089 being exploited?

CVE-2026-1089 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-1089 affect?

CVE-2026-1089 affects goanywhere managed file transfer. Severity is medium (CVSS 6.5). 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.

Q: How urgent is CVE-2026-1089?

Priority 31/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 6.5REMOTEUPGRADE

CVE-2026-1089 is a medium-severity flaw (CVSS 6.5) affecting goanywhere managed file transfer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-74
Published	2026-04-21
Last modified	2026-10-26

Publisher (CNA): Fortra · Vendor: fortra

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-21 15:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

fortra goanywhere managed file transfer UPGRADE

Affected: < 7.10.0

Fixed in: 7.10.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy goanywhere-managed-file-transfer || rpm -q goanywhere-managed-file-transfer || goanywhere-managed-file-transfer --version

2. UPGRADE to 7.10.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade goanywhere-managed-file-transfer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade goanywhere-managed-file-transfer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-1089?

goanywhere managed file transfer: upgrade to 7.10.0. Exact commands for each OS are on this page.

Is CVE-2026-1089 being exploited?

CVE-2026-1089 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-1089 affect?

CVE-2026-1089 affects goanywhere managed file transfer. Severity is medium (CVSS 6.5). 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.

How urgent is CVE-2026-1089?

Priority 31/100. Remotely exploitable, no login, no user action

Software pages

Fortra GoAnywhere vulnerabilities

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References

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