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Certain handlers, such as upload-deployment-url, lack proper sensitivity classification, allowing an administrator with the restricted \"Maintainer\" role to read sensitive configuration files. This can lead to the exfiltration of credentials and full administrative control (SuperUser) of the server.","epss":{"date":"2026-11-10","percentile":0.15949,"score":0.00246},"exploits":[],"kev":null,"metrics":[{"score":8.8,"severity":"high","source":"CNA: redhat","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":8.8,"severity":"high","source":"NVD: secalert@redhat.com","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794421959533,"publishedAt":1794251250915,"references":[{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:99017"},{"source":"CNA: redhat","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:99018"},{"source":"CNA: redhat","tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-12977"},{"source":"CNA: redhat","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491669"},{"source":"secalert@redhat.com","tags":[],"url":"https://access.redhat.com/security/cve/CVE-2026-12977"},{"source":"secalert@redhat.com","tags":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2491669"}],"remediation":[{"kind":"workaround","source":"CNA: redhat","text":"Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}],"revision":"0829f339690c44773cba8e70e6a0a7065e7969456c8eebbf459e9ce796e6206d","sources":[{"modifiedAt":1794421959533,"name":"CNA: redhat","retrievedAt":1794424142133,"url":"https://www.cve.org/CVERecord?id=CVE-2026-12977"},{"modifiedAt":1794251824433,"name":"NVD","retrievedAt":1794269987587,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12977"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1794377664653,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-12977"}],"ssvc":null,"status":"published","title":"Org.wildfly.core/wildfly-server: wildfly: rbac bypass in wildfly deployment-operation handlers leads to privilege escalation","updatedAt":1794424142133}