{"id":"CVE-2026-5300","summary":"Missing Authentication for Critical Function in coolercontrold","details":"Unauthenticated functionality in  CoolerControl/coolercontrold \u003c4.0.0 allows unauthenticated attackers to view and modify potentially sensitive data via HTTP requests","modified":"2026-08-04T17:37:32.864724Z","published":"2026-04-08T12:04:56.421Z","database_specific":{"cna_assigner":"GitLab","cwe_ids":["CWE-306"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5300.json"},"references":[{"type":"WEB","url":"https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.1/coolercontrold/src/api/router.rs?ref_type=tags"},{"type":"WEB","url":"https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5300.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5300"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/coolercontrol/coolercontrol","events":[{"introduced":"d4d637ea0403d0404390b3585f9392be5ccc2061"},{"fixed":"fc5d8bd9fe77529cdf1b8eedac3dc9877f5d2af0"}],"database_specific":{"extracted_events":[{"introduced":"0.14.0"},{"fixed":"4.0.0"}],"source":"AFFECTED_FIELD"}}],"versions":["3.1.1","3.1.0","3.0.2","3.0.1","3.0.0","2.2.2","2.2.0","2.1.0","2.0.1","2.0.0","1.4.5","1.4.4","1.4.3","1.4.2","1.4.1","1.4.0","1.3.0","1.2.2","1.2.1","1.2.0","1.1.1","1.1.0","1.0.4","1.0.3","1.0.2","1.0.1","1.0.0","0.17.3","0.17.2","0.17.1","0.17.0","0.16.0","0.15.0","0.14.6","0.14.5","0.14.4","0.14.3","0.14.2","0.14.1","0.14.0"],"database_specific":{"vanir_signatures":[{"source":"https://gitlab.com/coolercontrol/coolercontrol@fc5d8bd9fe77529cdf1b8eedac3dc9877f5d2af0","target":{"file":"coolercontrol/constants.h"},"deprecated":false,"digest":{"line_hashes":["257481300507471264902061558703644940527","78689469846172260056807894511757902020","29067990735234643442879833272620619336"],"threshold":0.9},"id":"CVE-2026-5300-efc24ccf","signature_type":"Line","signature_version":"v1"}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5300.json","vanir_signatures_modified":"2026-08-04T17:37:32Z"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}