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CVE-2026-61463

Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:373ce2bb3456c8ddbf981b37b8eb6b375a8adb9eeac3fbb2f636fbe7ed450258
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":8.8,"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:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","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:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"affected","packageURL":"pkg:golang/github.com/go-shiori/shiori","product":"shiori","vendor":"go-shiori","versions":[{"lessThan":"1.8.0","status":"affected","version":"0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"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:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","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:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-269","description":"Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Product","tags":["product"],"url":"https://github.com/go-shiori/shiori"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/references/1
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/go-shiori/shiori/commit/6c8a7dbc11b131609bfda736b14d61c51f9027b2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/go-shiori/shiori/issues/1196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/adp/0/references/0
{"name":"GitHub Issue","tags":["issue-tracking"],"url":"https://github.com/go-shiori/shiori/issues/1196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/shiori-authenticated-privilege-escalation-via-patch-api-v1-auth-account"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:03bac65d8c57e6a9186f0f81450701545cd3731c5c7710d3d01e17d3e3d309de · sha256:076337dcacb1fdba… · /containers/cna/references/3

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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