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CVE record · CVE-2026-63765

Chatwoot < 4.16.0 Unauthenticated ActiveStorage Direct Upload Arbitrary Blob Creation

CVSS 8.8 HighEPSS 0.0070 · 53rd percentile

Published by the CVE Program (CNA: VulnCheck) at 23 Jul 2026, 17:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
chatwoot chatwoot pkg:github/chatwoot/chatwoot
  • affected before 4.16.0 semver
Other versions: unaffected
Identifiers
CVE-2026-63765
CNA
VulnCheck
Weakness (CWE)
CWE-306
Tags
Published
23 Jul 2026
Updated
17 Sept 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N CNA (VulnCheck)Used for this record
8.2 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L CNA (VulnCheck)
  • CISA KEV Not listed.
  • EPSS 0.0070, the 53rd percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 23 Jul 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.