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PatchSiren cyber security CVE debrief

CVE-2026-11903 Progress CVE debrief

CVE-2026-11903 is a high-severity cross-site scripting vulnerability in Progress MOVEit Transfer. This issue affects MOVEit Transfer versions from 2026.0.0 before 2026.0.1, from 2025.1.0 before 2025.1.4, and from 2025.0.0 before 2025.0.8. The vulnerability has a CVSS score of 8 and is classified as HIGH. The vulnerability is caused by improper neutralization of input during web page generation, allowing for cross-site scripting attacks. Security teams and administrators responsible for Progress MOVEit Transfer installations should be aware of this vulnerability and take immediate action to mitigate the risk.

Vendor
Progress
Product
MOVEit Transfer
CVSS
HIGH 8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-08
Original CVE updated
2026-07-10
Advisory published
2026-07-08
Advisory updated
2026-07-10

Who should care

Security teams and administrators responsible for Progress MOVEit Transfer installations should be aware of this vulnerability and take immediate action to mitigate the risk. This includes reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability is caused by improper neutralization of input during web page generation, allowing for cross-site scripting attacks. The affected versions of MOVEit Transfer are from 2026.0.0 before 2026.0.1, from 2025.1.0 before 2025.1.4, and from 2025.0.0 before 2025.0.8. The vulnerability has a CVSS score of 8 and is classified as HIGH. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it has a high CVSS score and could potentially lead to significant security breaches.

Recommended defensive actions

  • Apply the latest security patches for Progress MOVEit Transfer
  • Restrict access to the affected systems
  • Monitor for suspicious activity
  • Implement additional security controls
  • Verify system configurations
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-08T15:16:25.470Z and was last modified on 2026-07-10T14:01:59.527Z. The NVD entry is currently Analyzed. The vulnerability affects MOVEit Transfer versions from 2026.0.0 before 2026.0.1, from 2025.1.0 before 2025.1.4, and from 2025.0.0 before 2025.0.8. There is limited information available about the vulnerability, and defenders should verify the affected scope and severity. The CVE record and NVD entry provide additional context.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11903 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11903

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

  • CVE-2026-11903 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11903

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

Supplemental references

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.