CVE-2025-21628: Chatwoot is a customer engagement suite

This month

CRITICAL 9.1UPGRADE

CVE-2025-21628 is a critical-severity flaw (CVSS 9.1) affecting chatwoot. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Chatwoot is a customer engagement suite. Prior to 3.16.0, conversation and contact filters endpoints did not sanitize the input of query_operator passed from the frontend or the API. This provided any actor who is authenticated, an attack vector to run arbitrary SQL within the filter query by adding a tautological WHERE clause. This issue is patched with v3.16.0.

Why this priority

Critical severity

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-01-09
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2025-01-09 18:15 UTCPublished CVE record published
2026-06-17 08:43 UTCUpdated Record last modified

chatwoot chatwoot UPGRADE

Affected: >= 2.16.1 and < 3.16.0

Fixed in: 3.16.0

Safe to downgrade to: a release before 2.16.1

1. Check installed version

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

2. UPGRADE to 3.16.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade chatwoot

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 2.16.1 (Debian / Ubuntu)

apt-cache madison chatwoot sudo apt install chatwoot=<VERSION_BEFORE_2.16.1> sudo apt-mark hold chatwoot

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

dnf --showduplicates list chatwoot sudo dnf downgrade chatwoot-<VERSION_BEFORE_2.16.1> sudo dnf versionlock add chatwoot

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.

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-2025-21628?

chatwoot: upgrade to 3.16.0. Exact commands for each OS are on this page.

Is CVE-2025-21628 being exploited?

CVE-2025-21628 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-2025-21628 affect?

CVE-2025-21628 affects chatwoot. Severity is critical (CVSS 9.1). Chatwoot is a customer engagement suite. Prior to 3.16.0, conversation and contact filters endpoints did not sanitize the input of query_operator passed from the frontend or the API. This provided any actor who is authenticated, an attack v

How urgent is CVE-2025-21628?

Priority 45/100. Critical severity

Related CVEs

CVE-2025-12245 MEDIUM 5.3 UPGRADE A vulnerability was identified in chatwoot up to 4.7.0
CVE-2025-12246 MEDIUM 4.3 UPGRADE A security flaw has been discovered in chatwoot up to 4.7.0
CVE-2024-0640 MEDIUM 4.8 UPGRADE A stored cross-site scripting (XSS) vulnerability exists in chatwoot/chatwoot versions 3.0.0 to 3.5.1
CVE-2021-3742 HIGH 8.8 UPGRADE A Server-Side Request Forgery (SSRF) vulnerability was discovered in chatwoot/chatwoot, affecting all versions
CVE-2021-3741 MEDIUM 5.4 UPGRADE A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions

References

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