CVE-2025-62512: Piwigo is an open source photo gallery application for the web

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MEDIUM 5.3REMOTEUPGRADE

CVE-2025-62512 is a medium-severity flaw (CVSS 5.3) affecting piwigo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Piwigo is an open source photo gallery application for the web. In version 15.5.0 and likely earlier 15.x releases, the password reset functionality in Piwigo allows an unauthenticated attacker to determine whether a given username or email address exists in the system. The endpoint at password.php?action=lost returns distinct messages for valid vs. invalid accounts, enabling user enumeration. As of time of publication, no known patches are avail

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-204
Published	2026-02-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: piwigo

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-24 18:29 UTCPublished CVE record published
2026-06-17 09:52 UTCUpdated Record last modified

piwigo piwigo UPGRADE

Affected: >= 15.0.0 and <= 15.5.0

Fixed in: newer than 15.5.0

Safe to downgrade to: a release before 15.0.0

1. Check installed version

apt-cache policy piwigo || rpm -q piwigo || piwigo --version

2. UPGRADE to newer than 15.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade piwigo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade piwigo

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 15.0.0 (Debian / Ubuntu)

apt-cache madison piwigo sudo apt install piwigo=<VERSION_BEFORE_15.0.0> sudo apt-mark hold piwigo

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list piwigo sudo dnf downgrade piwigo-<VERSION_BEFORE_15.0.0> sudo dnf versionlock add piwigo

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Piwigo - User Enumeration via Password Reset

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-62512?

piwigo: upgrade to newer than 15.5.0. Exact commands for each OS are on this page.

Is CVE-2025-62512 being exploited?

CVE-2025-62512 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-62512 affect?

CVE-2025-62512 affects piwigo. Severity is medium (CVSS 5.3). Piwigo is an open source photo gallery application for the web. In version 15.5.0 and likely earlier 15.x releases, the password reset functionality in Piwigo allows an unauthenticated attacker to determine whether a given username or email

How urgent is CVE-2025-62512?

Priority 43/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2026-27634 CRITICAL 9.8 UPGRADE Piwigo is an open source photo gallery application for the web
CVE-2026-27833 HIGH 7.5 UPGRADE Piwigo is an open source photo gallery application for the web
CVE-2026-27834 HIGH 7.2 UPGRADE Piwigo is an open source photo gallery application for the web
CVE-2026-27885 HIGH 7.2 UPGRADE Piwigo is an open source photo gallery application for the web
CVE-2024-48928 HIGH 7.5 UPGRADE Piwigo is an open source photo gallery application for the web

References

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