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High 7.3Published Aug 11, 2026

CVE-2026-18639Velociraptor OIDC Authenticator susceptible to email spoofing

Updated under an hour ago ()

Does this affect you?

It affects Rapid7 Velociraptor. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

When Velociraptor is configured to use an OIDC IdP for authentication, it uses the email claim as a username. However, some IdP allow users to change the email claim without verification. Some IdPs do not set the "email_verified" claim and do not actually verify the email. This allows a user to impersonate another user by setting their email address within the IdP, allowing account takeover.

CVSS
7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-290
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
rapid7
NVD analysis
Awaiting Analysis
Record last updated
Aug 11, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Rapid7 Velociraptor
rapid7:velociraptor (from the name)
before 0.77.2
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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