CVE-2026-42129
Path Traversal in Loki Datasource leads to Internal Information Disclosure
Published: Jun 22, 2026Updated: Jun 22, 2026 Sources: CVE List NVD
7.7CVSSHIGH
Description
The Loki datasource plugin's callResource handler contains a path traversal vulnerability. An authenticated Viewer-role user can escape the plugin's resource sandbox and access administrative Loki endpoints (e.g. /config, /services, /ready) to extract sensitive backend configuration and internal service information.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:NIntegrityNone
A:NAvailabilityNone
Affected Products
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
Timeline
Published
Jun 22, 2026
Last Updated
Jun 22, 2026
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