CVE-2026-115877

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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 17.1% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

NVD analysis status

Awaiting Analysis. 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

2026-10-23 20:25Z5 DAYS AGO

Last updated

2026-10-23 20:25Z5 DAYS AGO

Reserved

2026-10-23

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Weaknesses

• CWE-444Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')Base

Data version

5.2

Document digest

4f253b6559a039044c15f5d5ab381572b1618028776b341fbd00bbea7db71430

• github.comhttps://github.com/twisted/twisted/security/advisories/GHSA-q7qq-6mhp-9rc4x_refsource_CONFIRM
• github.comhttps://github.com/twisted/twisted/pull/12755x_refsource_MISC
• github.comhttps://github.com/twisted/twisted/commit/022b6f7feb5980166c71f54e2c0d8f4f21ff6e1ax_refsource_MISC
• github.comhttps://github.com/twisted/twisted/commit/1616f702d36eda8990a5a5b22ad70fab140a7eb1x_refsource_MISC
• github.comhttps://github.com/twisted/twisted/releases/tag/twisted-26.10.0rc1x_refsource_MISC