CVE-2026-38978

EUVD-2026-33971
transmission through 4.1.1 was found to have a clickjacking weakness in the browser-facing WebUI and RPC response paths.
HTTP Request/Response Splitting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 22.71%
Debian logo
Debian Releases
Debian Product
Codename
transmission
bookworm
no-dsa
bullseye
postponed
forky
4.1.3+dfsg-1
fixed
sid
4.1.3+dfsg-1
fixed
trixie
no-dsa
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
transmission
bionic
needs-triage
focal
needs-triage
jammy
Fixed 3.00-2ubuntu2.2
released
noble
Fixed 4.0.5-1ubuntu0.1
released
questing
Fixed 4.1.0~beta2+dfsg-3ubuntu1.1
released
resolute
Fixed 4.1.1+dfsg-1ubuntu1.1
released
xenial
needs-triage
Common Weakness Enumeration
References
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