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CVE-2026-65916

CyberPanel through 1.9.1, fixed in commit b198460, contains a missing authorization vulnerability in the cancelBackupCreation handler that allows authenticated users to kill, delete, and corrupt other tenants' backups. Attackers can send crafted POST requests with arbitrary backupCancellationDomain and fileName parameters to terminate backup processes, delete backup archives, corrupt backup status files, and remove database records belonging to other tenants.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:55e963cd36b84651d0ef224ace6b593ac3082a3594a3ec62a2c0ccd528b89cb1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/usmannasir/cyberpanel","product":"cyberpanel","repo":"https://github.com/usmannasir/cyberpanel","vendor":"usmannasir","versions":[{"lessThanOrEqual":"1.9.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"b1984603f9b0099b39bca46fea176e53b6d4d601","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.2,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"N…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/usmannasir/cyberpanel/commit/b1984603f9b0099b39bca46fea176e53b6d4d601"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/references/1
{"name":"Researcher Disclosure","tags":["technical-description","exploit","issue-tracking"],"url":"https://github.com/usmannasir/cyberpanel/issues/1829"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/cyberpanel-missing-authorization-in-cancelbackupcreation-handler"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f4035caf3b6072540802f32765f7eb29b4343276d4ee90de214cd84ed98e5bc4 · sha256:d2dbe2a8a07f9943… · /containers/cna/references/2

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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