CVE-2026-27833Piwigo is an open source photo gallery application for the web.
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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.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-862
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
piwigo piwigo piwigo:piwigo | before 16.3.0 | NVD |
References
- https://github.com/Piwigo/Piwigo/commit/d05c16561ce3692ca922199f8c8d7b1a45893f1cpatch
- https://github.com/Piwigo/Piwigo/security/advisories/GHSA-397m-gfhm-pmg2exploit, vendor-advisory
- https://piwigo.org/release-16.3.0release-notes
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.