CVE-2026-116578

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.5% of scored records. A rank, not a probability.

NVD base score

2.1 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-10-26 20:22Z3 DAYS AGO

Last updated

2026-10-26 20:22Z3 DAYS AGO

Reserved

2026-10-26

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 2.1)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Weaknesses

• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.2

Document digest

34f3b447acb271049ae869a15140caa8752046b5d74c8583e15628110dc26534

• github.comhttps://github.com/tornadoweb/tornado/security/advisories/GHSA-pw9p-v7r6-gx4px_refsource_CONFIRM
• github.comhttps://github.com/tornadoweb/tornado/pull/3786x_refsource_MISC
• github.comhttps://github.com/tornadoweb/tornado/commit/940ea725bdd9bc68231d68a105eef17ea6e11233x_refsource_MISC
• github.comhttps://github.com/tornadoweb/tornado/commit/cc75ab0eb3af459c714895a49f682ad354f50117x_refsource_MISC
• github.comhttps://github.com/tornadoweb/tornado/commit/ccb6a2e5482f17997efd4a74b8200d5b4babc035x_refsource_MISC
• github.comhttps://github.com/tornadoweb/tornado/releases/tag/v6.6.0x_refsource_MISC