{"id":"CVE-2023-4456","aliases":["EUVD-2023-54312","GHSA-ccmh-37rx-6pp5"],"status":"published","title":"Openshift-logging: lokistack authorisation is cached too broadly","description":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.","severity":{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00588,"percentile":0.48454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1220"],"published":"2023-08-21T15:19:22Z","modified":"2026-06-17T06:37:52Z","products":[{"vendor":"red hat","product":"rhol-5.5-rhel-8"},{"vendor":"red hat","product":"rhol-5.6-rhel-8"},{"vendor":"red hat","product":"rhol-5.7-rhel-8"},{"vendor":"redhat","product":"openshift_logging"}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2023:4933","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2023:5095","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/errata/RHSA-2023:5096","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2023-4456","tags":["vdb-entry","x_refsource_REDHAT","x_transferred","Vendor Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2233087","tags":["issue-tracking","x_refsource_REDHAT","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4456"},{"url":"https://github.com/advisories/GHSA-ccmh-37rx-6pp5"}],"sources":{"cve":[{"id":"CVE-2023-4456","title":"Openshift-logging: lokistack authorisation is cached too broadly","description":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.","status":"published","published":"2023-08-21T15:19:22.208Z","modified":"2025-11-20T18:27:42.202Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:35:30.116696Z"}],"euvd":[{"id":"EUVD-2023-54312","description":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.","status":"published","published":"2023-08-21T15:19:22Z","modified":"2025-11-20T18:27:42Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:14.564249Z"}],"ghsa":[{"id":"GHSA-ccmh-37rx-6pp5","title":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token,...","description":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.","status":"published","published":"2023-08-21T18:31:23Z","modified":"2024-04-04T07:05:12Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:56:48.229282Z"}],"nvd":[{"id":"CVE-2023-4456","description":"A flaw was found in openshift-logging LokiStack. The key used for caching is just the token, which is too broad. This issue allows a user with a token valid for one action to execute other actions as long as the authorization allowing the original action is still cached.","status":"published","published":"2023-08-21T17:15:50.283Z","modified":"2026-06-17T06:37:52.107Z","cvss":[{"version":"3.1","score":5.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}