{"id":"CVE-2026-27880","summary":"OpenFeature evaluation API reads input data with no bounds","details":"The OpenFeature feature toggle evaluation endpoint reads unbounded values into memory, which can cause out-of-memory crashes.","aliases":["BIT-grafana-2026-27880"],"modified":"2026-07-25T03:56:48.523561161Z","published":"2026-03-27T14:12:20.075Z","related":["CGA-q985-v7px-cj5w"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27880.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"v12.1.0"},{"fixed":"v12.1.10"},{"introduced":"v12.2.0"},{"fixed":"v12.2.8"},{"introduced":"v12.3.0"},{"fixed":"v12.3.6"},{"introduced":"v12.4.0"},{"fixed":"v12.4.2"}]}],"cna_assigner":"GRAFANA"},"references":[{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-27880"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27880.json"},{"type":"ADVISORY","url":"https://grafana.com/security/security-advisories/cve-2026-27880"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27880"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452295"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/grafana/grafana","events":[{"introduced":"0"},{"fixed":"ccd7b6ce7ea6184b8c7eb1de044174147dd9a648"},{"introduced":"619bd51f27dc73c6ccfa4442cd5d05addaa70ed9"},{"fixed":"92f1fba9b4b6700328e99e97328d6639df8ddc3d"},{"introduced":"576f2e81b33bc857df779c95cb38effaa6c58b03"},{"fixed":"20051fb1fc604fc54aae76356da1c14612af41d0"},{"introduced":"3b85eb0d9490f36d682e4fe55684f7da7b8b99b6"},{"fixed":"d1729c53a7f44e2e58947eb44eb896c2fb1c30b3"}],"database_specific":{"cpe":"cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"12.1.0"},{"introduced":"12.1.10"},{"fixed":"12.2.0"},{"introduced":"12.2.8"},{"fixed":"12.3.0"},{"introduced":"12.3.6"},{"fixed":"12.4.0"}],"source":"CPE_RANGE"}}],"versions":["pkg/promlib/v0.0.9","pkg/promlib/v0.0.8","pkg/promlib/v0.0.7","pkg/promlib/v0.0.6","pkg/promlib/v0.0.5","pkg/promlib/v0.0.4","pkg/promlib/v0.0.3","pkg/promlib/v0.0.2","pkg/promlib/v0.0.1","pkg/util/xorm/v0.0.1","v0.0.1-test","v10.0.0-preview","v0.0.0-cloud","v3.2.1-test","v8.5.16","v9.3.0-beta1","v8.4.0-beta1","v8.3.3","v6.5","v6.0.0-beta1","v5.,2.4","v5.0.0","v5.0.0-beta5","v5.0.0-beta4","v5.0.0-beta3","v5.0.0-beta2","v5.0.0-beta1","v4.6.0-beta1","v4.5.0","v4.5.0-beta1","v4.4.0","v3.1.0-beta1","v3.0.2","v3.0.1","v3.0.0-beta7","v3.0.0-beta6","v2.6.0","v2.6.0-beta1","v2.5.0","v2.0.2","v2.0.1","v2.0.0-beta3","v2.0.0-beta1","v1.9.1","v1.9.0","v1.9.0-rc1","v1.7.0-rc1","v1.6.1","v1.6.0","v1.5.4","v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.4.0","v1.3.0","v1.2.0","v1.1.0","v1.0.4","v1.0.3","v1.0.2","v1.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27880.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}