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PatchSiren cyber security CVE debrief

CVE-2026-75331 tamguo CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-26T22:16:29.210Z and has not been modified since then. The vulnerability affects tamguo 1.5.3, allowing unrestricted file uploads that can lead to stored XSS attacks. Developers and administrators should review the vulnerability details to assess the impact and implement necessary controls. This includes reviewing the vulnerability details, assessing the impact of unrestricted file upload, and implementing compensating controls for stored XSS. The CVE details indicate a medium-priority defensive review is recommended due to the potential for stored XSS attacks.

Vendor
tamguo
Product
tamguo
CVSS
MEDIUM 4.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-26
Original CVE updated
2026-08-31
Advisory published
2026-08-26
Advisory updated
2026-08-31

Who should care

Developers and administrators using tamguo 1.5.3 should review and validate the vulnerability details to assess the impact and implement necessary controls. This includes reviewing the vulnerability details, assessing the impact of unrestricted file upload, and implementing compensating controls for stored XSS.

Technical summary

The /uploadFile and /imgUpload endpoints in tamguo 1.5.3 have no file type validation, allowing attackers to upload arbitrary HTML/JavaScript files to the server, potentially leading to stored XSS attacks. This vulnerability can be exploited by attackers to inject malicious code, potentially resulting in unauthorized access or modifications to sensitive data. The vulnerability has a CVSS score of 4.6 and a severity of MEDIUM. The affected product is tamguo 1.5.3, and the vulnerability is publicly known.

Defensive priority

Medium-priority defensive review recommended due to potential for stored XSS attacks.

Recommended defensive actions

  • Review and validate the vulnerability details
  • Assess the impact of unrestricted file upload
  • Implement compensating controls for stored XSS
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
  • Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
  • Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review.

Evidence notes

Evidence from official CVE and NVD sources indicates a vulnerability in tamguo 1.5.3, but details are limited. Further verification needed. The /uploadFile and /imgUpload endpoints in FileUploadController.java and UEditorController.java have no file type validation, allowing attackers to upload arbitrary HTML/JavaScript files to the server, potentially leading to stored XSS attacks. Developers and administrators should review the vulnerability details to assess the impact and implement necessary controls.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75331 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75331

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

  • CVE-2026-75331 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75331

    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.