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CVE-2026-27833

Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, the pwg.history.search API method in Piwigo is registered without the admin_only option, allowing unauthenticated users to access the full browsing history of all gallery visitors. This issue has been patched in version 16.3.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fc18ae49e40606ecd330031423bbac2839d0513867510a0eb53d081ffc99641d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"Piwigo","vendor":"Piwigo","versions":[{"status":"affected","version":"< 16.3.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1c","tags":["x_refsource_MISC"],"url":"https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /containers/cna/references/1
{"name":"https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /containers/cna/references/0
{"name":"https://piwigo.org/release-16.3.0","tags":["x_refsource_MISC"],"url":"https://piwigo.org/release-16.3.0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:760506a61216ab193fe07113c245d45544c004ddc894174806af6c4278997a44 · sha256:aaee6b0f28c7da07… · /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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