CVE-2026-119764
Medium
Description
Mythic 3.2.16 through 3.4.0.61 contains a stored cross-site scripting vulnerability that allows attackers controlling target endpoint files to run JavaScript in the Mythic UI origin by planting HTML in .pdf-named files. When an operator downloads the file and clicks Preview Media, content-sniffed HTML from /direct/view renders same-origin, stealing localStorage JWTs for full GraphQL and REST access.
SeverityMedium
CVSS6.8
Exploit probability—
ProductMythic
PublishedOct 30, 2026
First seenNov 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| its-a-feature Mythic | 3.2.16 ≤ v ≤ 3.4.0.61 | — |
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