{"schema_version":"1.9.0","id":"CVE-2026-42151","published":"2026-05-04T18:12:16.917Z","modified":"2026-09-10T03:46:22.947994168Z","aliases":["BIT-prometheus-2026-42151","GHSA-wg65-39gg-5wfj","GO-2026-5710"],"related":["ALSA-2026:34357","ALSA-2026:34359","SUSE-SU-2026:2243-1","SUSE-SU-2026:2768-1","SUSE-SU-2026:2774-1","openSUSE-SU-2026:10676-1","openSUSE-SU-2026:21483-1"],"summary":"Prometheus Azure AD remote write OAuth client secret exposed via config API","details":"Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the client_secret field in the Azure AD remote write OAuth configuration (storage/remote/azuread) was typed as string instead of Secret. Prometheus redacts fields of type Secret when serving the configuration via the /-/config HTTP API endpoint. Because the field was a plain string, the Azure OAuth client secret was exposed in plaintext to any user or process with access to that endpoint. This issue has been patched in versions 3.5.3 and 3.11.3.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/prometheus/prometheus","events":[{"introduced":"6d80b30990bc297d95b5c844e118c4011fad8054"},{"fixed":"dcd3d551ced8b8dc14e0217f8cb14e547109cd5f"},{"introduced":"491734606591ef8c188f5489c70380805bc868c0"},{"fixed":"eb173f5256d4022afba1e9bc3d19740a76859fae"}],"database_specific":{"cpe":"cpe:2.3:a:prometheus:prometheus:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.48.0"},{"fixed":"3.5.3"},{"introduced":"3.6.0"},{"fixed":"3.11.3"}],"source":["CPE_RANGE","REFERENCES"]}}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42151.json"}}],"references":[{"type":"WEB","url":"https://github.com/prometheus/prometheus/releases/tag/v3.11.3"},{"type":"WEB","url":"https://github.com/prometheus/prometheus/releases/tag/v3.5.3"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42151.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25039"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25245"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:25504"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:34357"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:34359"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36651"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36796"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36797"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37267"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37271"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:37272"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40118"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40262"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40768"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40945"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40970"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40972"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:40974"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41019"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41030"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41031"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41066"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:42146"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:42796"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:42852"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:43052"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:44622"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:47149"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:47952"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50843"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:50874"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53412"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53413"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53415"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:53530"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:54288"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:54427"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:56340"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:57191"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60386"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60387"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60388"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60389"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60390"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60391"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60441"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:60477"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:63103"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-42151"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42151.json"},{"type":"ADVISORY","url":"https://github.com/prometheus/prometheus/security/advisories/GHSA-wg65-39gg-5wfj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vul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