CVE Explorer
CVE-2026-5374
An issue that allowed MCP agents to access remediation and asset information from outside of the authorized organization scope has been resolved. This is an instance of CWE-863: Incorrect Authorization, and has an estimated CVSS score of CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N (5.8 Medium). This issue was fixed in version 4.0.260202.0 of the runZero Platform.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Platform","vendor":"runZero","versions":[{"lessThan":"4.0.260202.0","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7665664f2ea88f4b1b7022093639c660dbbb355beab14c5bfab8dce0968e8daa · sha256:f7f93616b232e445… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7665664f2ea88f4b1b7022093639c660dbbb355beab14c5bfab8dce0968e8daa · sha256:f7f93616b232e445… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7665664f2ea88f4b1b7022093639c660dbbb355beab14c5bfab8dce0968e8daa · sha256:f7f93616b232e445… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["release-notes"],"url":"https://help.runzero.com/docs/release-notes/#402602020"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7665664f2ea88f4b1b7022093639c660dbbb355beab14c5bfab8dce0968e8daa · sha256:f7f93616b232e445… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://www.runzero.com/advisories/runzero-platform-mcp-infoleak-cve-2026-5374/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7665664f2ea88f4b1b7022093639c660dbbb355beab14c5bfab8dce0968e8daa · sha256:f7f93616b232e445… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.