How severe is CVE-2026-1089?

CVE-2026-1089 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2026-1089 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1089?

CVE-2026-1089 affects Fortra Goanywhere Managed File Transfer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1089?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1089 have an EU (EUVD) identifier?

Yes. CVE-2026-1089 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24130.

When was CVE-2026-1089 published?

CVE-2026-1089 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-1089

CVE-2026-1089 is a medium-severity vulnerability in Fortra Goanywhere Managed File Transfer with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24130
Weakness: CWE-74
Affected product: Fortra Goanywhere Managed File Transfer
Published: 2026-04-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-1089?: CVE-2026-1089 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2026-1089 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1089?: CVE-2026-1089 affects Fortra Goanywhere Managed File Transfer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1089?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1089 have an EU (EUVD) identifier?: Yes. CVE-2026-1089 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24130.
When was CVE-2026-1089 published?: CVE-2026-1089 was published on 2026-04-21 and last updated on 2026-06-17.

References

https://www.fortra.com/security/advisories/product-security/fi-2026-005

Affected products (1)

cpe:2.3:a:fortra:goanywhere_managed_file_transfer:*:*:*:*:*:*:*:*

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