CVE-2026-38978

Severity CVSS v4.0:

Pending analysis

Type:

CWE-113 Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Publication date:

02/06/2026

Last modified:

22/07/2026

Description

transmission through 4.1.1 was found to have a clickjacking weakness in the browser-facing WebUI and RPC response paths.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): None

Base Score 3.x

5.30

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://github.com/transmission/transmission/commit/6b24c1c214ec6a44fa5fdff0ce7da6b16d8ecaa8
https://github.com/transmission/transmission/issues/8726
https://github.com/transmission/transmission/pull/8747
https://github.com/transmission/transmission/issues/8726