CVE Explorer

CVE-2026-25199

Instances deployed via the Proxmox extension allow unauthorized access to instances belonging to other tenants. This issue affects Apache CloudStack: from 4.21.0.0 through 4.22.0.0. The Proxmox extension for CloudStack improperly uses a user-editable instance setting, proxmox_vmid, to associate CloudStack instances with Proxmox virtual machines. Because this value is not restricted or validated against tenant ownership and Proxmox VM IDs are predictable, a non-privileged attacker can mod

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ebf261810a6b219d0e924599ef759dbdceec236f93dbaed51abc6e6ea0b48aab

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Apache CloudStack","vendor":"Apache Software Foundation","versions":[{"lessThanOrEqual":"4.22.0","status":"affected","version":"4.21.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5ff0b8be46fe767287b5e4149fdf24bf658b8df6b030d15fb6ad62b5ae759a2b · sha256:c3100c37927c1708… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5ff0b8be46fe767287b5e4149fdf24bf658b8df6b030d15fb6ad62b5ae759a2b · sha256:c3100c37927c1708… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-200","description":"CWE-200 Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:5ff0b8be46fe767287b5e4149fdf24bf658b8df6b030d15fb6ad62b5ae759a2b · sha256:c3100c37927c1708… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"url":"http://www.openwall.com/lists/oss-security/2026/05/09/7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5ff0b8be46fe767287b5e4149fdf24bf658b8df6b030d15fb6ad62b5ae759a2b · sha256:c3100c37927c1708… · /containers/adp/1/references/0

{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/n8mt5b7wkpysstb8w7rr9f02kc5cq2xm"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5ff0b8be46fe767287b5e4149fdf24bf658b8df6b030d15fb6ad62b5ae759a2b · sha256:c3100c37927c1708… · /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.

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