CVE-2025-49591: CryptPad is a collaboration suite

Q: How do I fix CVE-2025-49591?

cryptpad: upgrade to 2025.3.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-49591 being exploited?

CVE-2025-49591 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-49591 affect?

CVE-2025-49591 affects cryptpad. Severity is critical (CVSS 9.1). CryptPad is a collaboration suite. Prior to version 2025.3.0, enforcement of Two-Factor Authentication (2FA) in CryptPad can be trivially bypassed, due to weak implementation of access controls. An attacker that compromises a user's credent

Q: How urgent is CVE-2025-49591?

Priority 53/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.1REMOTEUPGRADE

CVE-2025-49591 is a critical-severity flaw (CVSS 9.1) affecting cryptpad. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CryptPad is a collaboration suite. Prior to version 2025.3.0, enforcement of Two-Factor Authentication (2FA) in CryptPad can be trivially bypassed, due to weak implementation of access controls. An attacker that compromises a user's credentials can gain access to the victim's account, even if the victim has 2FA set up. This is due to 2FA not being enforced if the path parameter is not 44 characters long, which can be bypassed by simply URL encodi

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-284, CWE-287
Published	2025-06-18
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2025-06-18 23:15 UTCPublished CVE record published
2026-06-17 09:31 UTCUpdated Record last modified

xwiki cryptpad UPGRADE

Affected: < 2025.3.0

Fixed in: 2025.3.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 2025.3.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cryptpad

Note

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

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-2025-49591?

cryptpad: upgrade to 2025.3.0. Exact commands for each OS are on this page.

Is CVE-2025-49591 being exploited?

CVE-2025-49591 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-2025-49591 affect?

CVE-2025-49591 affects cryptpad. Severity is critical (CVSS 9.1). CryptPad is a collaboration suite. Prior to version 2025.3.0, enforcement of Two-Factor Authentication (2FA) in CryptPad can be trivially bypassed, due to weak implementation of access controls. An attacker that compromises a user's credent

How urgent is CVE-2025-49591?

Priority 53/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-49590 MEDIUM 6.1 UPGRADE CryptPad is a collaboration suite

References

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