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Tracking
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Tue, 15 Sep 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Tornado before 6.5.8 contains an incomplete fix for cookie attribute injection that allows attackers to inject arbitrary cookie attributes by passing capitalized or legacy keyword arguments to set_cookie. Attackers can embed semicolon-delimited data in capitalized parameters like Domain, Path, or SameSite to bypass validation and modify cookie security attributes. | |
| Title | Tornado before 6.5.8 Cookie Attribute Injection via Capitalized kwargs | |
| First Time appeared |
Tornadoweb
Tornadoweb tornado |
|
| Weaknesses | CWE-113 | |
| CPEs | cpe:2.3:a:tornadoweb:tornado:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Tornadoweb
Tornadoweb tornado |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-09-15T15:18:32.408Z
Reserved: 2026-09-15T11:11:13.311Z
Link: CVE-2026-91991
No data.
Status : Received
Published: 2026-09-15T16:17:58.293
Modified: 2026-09-15T16:17:58.293
Link: CVE-2026-91991
No data.
OpenCVE Enrichment
No data.
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CWE-113
Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')