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Vulnerabilities

Vulnerability · CVE-2026-9053

Mothra would respect a default value given by a website for HTML file upload forms.

Published May 22, 2026 · catalog updated Jul 23, 2026 · Mothra would respect a

Check if you run it

No confirmed exploitation is on record for CVE-2026-9053. EPSS is 0.43%. Act only if a listed version of Mothra would respect a is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Mothra would respect a).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Not established
Affected products
See sources for product scope

Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-9053

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-9053. EPSS is 0.43%. Act only if a listed version of Mothra would respect a is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-434: Unrestricted Upload of File with Dangerous Type. EPSS 0.43%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 22, 2026 · NIST NVD

    Detected

    Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element.

  2. Jul 23, 2026 · NIST NVD

    Updated

    Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element.

Sources

  • CVE.orgVulnerability recordCVE-2026-9053

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-9053

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-9053

    Mothra would respect a default value given by a website for HTML file upload forms. An attacker could craft a website with a malicious default file path, and then conceal this form element.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.