CVE-2026-42129

highpriority · track · 0EPSS 0.004 · 38 %ileEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.44% (38th) EPSS
CVSS 7.7 · high
Is it mine?
21 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · scored 2026-10-27

A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information.

01

cvss

Technical severity, 0–10. One row per scoring source.

7.7
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.7highAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU
v3.17.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nsecondary · ENISA EU
v3.17.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nsecondary · security@grafana.comexploitability 3.1 · impact 4
v3.17.7highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:Nsecondary · OSV
v3.17.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USCWE-22USCWE-22US
04

affected products (21)

Products and version ranges known to be affected.

showing 20 of 21
05

advisories (2)

Vendor and ecosystem advisories describing this.

  • GHSA-f74p-cwhp-x2wxGrafana Loki datasource plugin's callResource handler contains a path traversal vulnerability.2026-06-22ghsa · osvUS

    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.

  • GO-2026-6544Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability. in github.com/grafana/grafana2026-09-28vendor · osvUS

    Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability. in github.com/grafana/grafana. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/grafana/grafana before v1.9.2-0.20260616075434-82ef13993059.

06

also known as (6)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bduosvnvdNVDCVE.orgMITRE
published 2026-06-22modified 2026-10-25
08

references (3)

External citations — patches, advisories, analysis.

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