{"cve":"CVE-2026-42129","nvd":{"published":"2026-06-22T14:17:36.340","modified":"2026-10-25T23:10:00.167","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","score":7.7},"cwes":["CWE-22"],"references":["https://grafana.com/security/security-advisories/cve-2026-42129"],"products":["grafana:loki_datasource"],"source":"nvd","synced_at":"2026-10-25T23:44:33.281319194+00:00"},"epss":{"cve":"CVE-2026-42129","score":0.00443,"percentile":0.38207,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-f74p-cwhp-x2wx","url":"https://osv.dev/vulnerability/GHSA-f74p-cwhp-x2wx","summary":"Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability.","modified":"2026-09-28T17:10:47.137426029Z","packages":[{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=2.0.0-beta1"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=12.0.0"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=12.3.0"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=13.0.0"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=12.4.0"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["<1.9.2-0.20260616075434-82ef13993059"],"fixed":["1.9.2-0.20260616075434-82ef13993059"]}]},{"id":"GO-2026-6544","url":"https://osv.dev/vulnerability/GO-2026-6544","summary":"Grafana Loki datasource plugin's callResource handler contains a path traversal vulnerability. in github.com/grafana/grafana","modified":"2026-09-28T17:00:25.303025125Z","packages":[{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":["all versions"],"fixed":[]},{"ecosystem":"Go","name":"github.com/grafana/grafana","purl":"pkg:golang/github.com/grafana/grafana","ranges":[">=2.0.0-beta1+incompatible"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}