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CVE-2026-93854

🗓️ 18 Sep 2026 18:57:56Reported by mitreType 
cve
 cve
🔗 web.nvd.nist.gov👁 36 Views🌐 WEB

Authenticated object-level authz bypass in OpenStack Blazar before 17.0.1 V2 lease update/delete.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93854
27 Sep 202606:10
–circl
cvelist
Cvelist
CVE-2026-93854
18 Sep 202618:57
–cvelist
debiancve
Debian CVE
CVE-2026-93854
18 Sep 202618:57
–debiancve
euvd
EUVD
EUVD-2026-83275
18 Sep 202618:57
–euvd
mend
Mend
CVE-2026-93854
18 Sep 202618:57
–mend
nvd
NVD
CVE-2026-93854
18 Sep 202619:17
–nvd
osv
OSV
DEBIAN-CVE-2026-93854
18 Sep 202619:17
–osv
osv
OSV
UBUNTU-CVE-2026-93854
18 Sep 202619:17
–osv
ptsecurity
Positive Technologies
PT-2026-95603
18 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-93854: Comparison Using Wrong Factors
18 Sep 202600:00
–rapid7
Rows per page
Vulners
Node
OR
openstackblazarRange1.0.0–15.1.1
openstackblazarRange16.0.0–16.0.1
openstackblazarRange17.0.0–17.0.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Blazar",
    "repo": "https://opendev.org/openstack/blazar",
    "vendor": "OpenStack",
    "versions": [
      {
        "lessThan": "15.1.1",
        "status": "affected",
        "version": "1.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "16.0.1",
        "status": "affected",
        "version": "16.0.0",
        "versionType": "semver"
      },
      {
        "lessThan": "17.0.1",
        "status": "affected",
        "version": "17.0.0",
        "versionType": "semver"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
lease_idpathPUT /v2/leases/{lease_id}OpenStack Blazar v2 lease update endpoint exhibits broken object-level authorization; any authenticated user knowing a lease_id can modify a lease owned by another user.CWE-1025
lease_idpathDELETE /v2/leases/{lease_id}OpenStack Blazar v2 lease delete endpoint exhibits broken object-level authorization; any authenticated user knowing a lease_id can delete a lease owned by another user.CWE-1025

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22 Sep 2026 19:56Current
5.8Medium risk
Vulners AI Score5.8
CVSS 47.2
EPSS0.00406
SSVC
36