CVE Explorer
CVE-2026-4064
Missing authorization checks on multiple gRPC service endpoints in PowerShell Universal before 2026.1.4 allows an authenticated user with any valid token to bypass role-based access controls and perform privileged operations — including reading sensitive data, creating or deleting resources, and disrupting service operations — via crafted gRPC requests.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"PowerShell Universal","vendor":"Devolutions","versions":[{"lessThan":"2026.1.4","status":"affected","version":"2026.1.0","versionType":"custom"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:49b1990c4de75ccd562a703056cf5a709485b83d19c87a9ccaebde153cdf75e8 · sha256:c4f53a506f633ce7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:49b1990c4de75ccd562a703056cf5a709485b83d19c87a9ccaebde153cdf75e8 · sha256:c4f53a506f633ce7… · /containers/adp/0/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:49b1990c4de75ccd562a703056cf5a709485b83d19c87a9ccaebde153cdf75e8 · sha256:c4f53a506f633ce7… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://devolutions.net/security/advisories/DEVO-2026-0008"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:49b1990c4de75ccd562a703056cf5a709485b83d19c87a9ccaebde153cdf75e8 · sha256:c4f53a506f633ce7… · /containers/cna/references/0
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.