| Release Date: | 2026-04-03 | |
| Impact: | Moderate | What is this? |
In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked for crafted characters.
See more information about CVE-2026-35536 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
| Base Score: | 5.4 |
| Vector String: | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| Version: | 3.1 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | Low |
| Integrity Impact: | Low |
| Availability Impact: | None |
| Platform | Errata | Release Date |
| Oracle Linux version 10 (python-tornado) | ELSA-2026-13641 | 2026-05-05 |
| Oracle Linux version 9 (python-tornado) | ELSA-2026-13670 | 2026-05-05 |
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