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CVE-2026-89077 Progress CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-14T15:16:24.476Z and has not been modified since then. The Progress MOVEit Transfer SFTP module has an authentication algorithm vulnerability, affecting versions before 2025.1.6 and from 2026.0.0 before 2026.0.4. This issue may allow attackers to bypass authentication under certain conditions. Defenders responsible for MOVEit Transfer deployments, especially those using SFTP authentication, should assess their exposure and verify the need for updates to versions 2025.1.6 or 2026.0.4. The vulnerability's impact on authentication could lead to potential bypass issues, which may

Vendor
Progress
Product
MOVEit Transfer
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-14
Original CVE updated
2026-10-15
Advisory published
2026-10-14
Advisory updated
2026-10-15

Who should care

Defenders responsible for MOVEit Transfer deployments, especially those using SFTP authentication, should assess their exposure and verify the need for updates to versions 2025.1.6 or 2026.0.4.

Why it matters

CVE-2026-89077 is a high-severity vulnerability in Progress MOVEit Transfer's SFTP module. Defenders should verify exposure, especially in deployments using SFTP authentication, and prioritize updates to versions 2025.1.6 or 2026.0.4. The vulnerability's impact on authentication could lead to potential bypass issues, emphasizing the need for prompt verification and remediation.

  • Potential authentication bypass in MOVEit Transfer SFTP module
  • Need for version updates to prevent potential authentication issues
  • Verification of exposure required for MOVEit Transfer deployments using SFTP authentication
  • Possible impact on data integrity and confidentiality if exploited

Technical summary

The Progress MOVEit Transfer SFTP module has an authentication algorithm vulnerability, affecting versions before 2025.1.6 and from 2026.0.0 before 2026.0.4. This issue may allow attackers to bypass authentication under certain conditions. The vulnerability is related to the incorrect implementation of the authentication algorithm in the SFTP module of MOVEit Transfer. Affected product deployments should be identified, and owners should be assigned for follow-up. The official advisory or CVE record should be reviewed to validate affected scope, severity, and

Defensive priority

Defenders should prioritize verifying exposure in MOVEit Transfer deployments, especially those using SFTP authentication, and assess the need for updates to versions 2025.1.6 or 2026.0.4.

Recommended defensive actions

  • Verify MOVEit Transfer version and assess exposure to SFTP authentication vulnerability
  • Update to version 2025.1.6 or 2026.0.4 if vulnerable
  • Monitor for potential authentication issues in MOVEit Transfer deployments

Evidence notes

The CVE record and source item provide details on the authentication algorithm vulnerability in Progress MOVEit Transfer (SFTP module), affecting versions before 2025.1.6 and from 2026.0.0 before 2026.0.4.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-89077 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-89077

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-89077 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-89077

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • MOVEit Transfer Identity validation flaw in SFTP authentication

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/89xxx/CVE-2026-89077.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://community.progress.com/s/article/MOVEit-Transfer-Critical-Security-Bulletin---September-2026

    Supplemental source - vendor-advisory

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.