CVE-2026-104252 Vitess - Stored XSS

Vitess < 23.0.5 and < 24.0.2 contains a stored XSS caused by unescaped Action and dtid form values in the /twopcz HTTP debug endpoint, letting remote unauthenticated attackers execute scripts in operator browsers, exploit requires operator to open crafted request.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.89% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Client Script Exec, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
13 October 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to versions 23.0.5 or 24.0.2 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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