CVE-2026-33193: Cve 2026 33193 Multipart Mime Type Spoofing Stored Xss
Client-supplied MIME type ($FILE.mimetype) from a multipart upload is stored or returned without server-side derivation from the file name or extension. An attacker can spoof the Content-Type header in the multipart request to inject arbitrary MIME types (e.g., text/html), which the server stores and later uses as the HTTP response Content-Type header, causi
greprules fetch cve-2026-33193-cve-2026-33193-multipart-mime-type-spoofing-stored-xss --engine opengrepDescription
Client-supplied MIME type ($FILE.mimetype) from a multipart upload is stored or returned without server-side derivation from the file name or extension. An attacker can spoof the Content-Type header in the multipart request to inject arbitrary MIME types (e.g., text/html), which the server stores and later uses as the HTTP response Content-Type header, causi
Community feedback
0 rule-level signals from signed-in users.
- Useful reports
- 0
- Context false positives
- 0
- Metadata suggestions
- 0
Contextual precision
Aggregated from approved scan feedback. False-positive reports describe observed scan contexts, not a global rule verdict.
- Findings observed
- 0
- Projects
- 0
- Reporters
- 0
Precision details are collecting more signed-in reports before verdict counts or ratios are emphasized.
No approved finding verdicts yet.
No scan diagnostics reported yet.