CVE-2026-67435

MEDIUM

linuxfabrik-lib: fetch() forwards credential headers across a cross-origin redirect

Title source: cna
STIX 2.1

Description

linuxfabrik-lib provides Python modules for database access, caching, shell execution, and API integrations. Prior to version 6.0.0, lib.url.fetch() followed cross-origin redirects while forwarding caller-supplied credential headers other than Authorization and Cookie, allowing a malicious redirect-capable server to receive headers such as X-Auth-Token from authenticated monitoring requests. This issue is fixed in version 6.0.0.

Scores

CVSS v4 6.0
EPSS 0.0029
EPSS Percentile 20.9%
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/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

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-200 CWE-918
Status published
Products (2)
Linuxfabrik/monitoring-plugins < 6.0.0
pypi/linuxfabrik-lib 0 - 6.0.0PyPI
Published Jul 29, 2026
Tracked Since Jul 30, 2026