CVE-2026-27833 | BDVDB-2026-324650 Detail

PiwigoPiwigo

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.

Weaknesses#

CWE-862 Missing Authorization

References#

Exploit#

No public exploit known

History#

Version 12026-04-03Record published in the CVE List.
Version 22026-04-06Most recent update recorded in the CVE List.

Published

Published: 2026-04-03
Last modified: 2026-04-06

Vendor information

Vendor: Piwigo
Product: Piwigo

All Piwigo vulnerabilities

Score

7.5 High

EPSS

1.6%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 76.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Missing Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 16.3.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).