CVE-20XX-?

CVE-2026-9053

6.9 MEDIUM 0.3% exploit odds No fix listed Code execution Web app

What it is

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.

At a glance

Exploitability
Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure.
Exploit odds
0.3% chance of exploitation in the next 30 days (EPSS).
Fix
No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Details

Published
Last modified
Exploit probability
0.3% · EPSS, next 30 days
Weakness
CWE-434 · Unrestricted file upload
Record status
Deferred

Attack profile CVSS 4.0 · 6.9

Attack vector
Network
Complexity
Low
Attack requirements
None
Privileges needed
None
User interaction
Active
Confidentiality
High
Integrity
None
Availability
None
Raw vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:A/V:X/RE:L/U:Amber

Meme: I wake up, CVE-2026-9053
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References

NVD record · CVE.org record