CVE-2026-73220
Stored XSS in CVAT annotation guide allows attacker scripts to run as other users.
Is CVE-2026-73220 being exploited?
Not confirmed. CVE-2026-73220 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.28% probability of exploitation in the next 30 days.
How severe is CVE-2026-73220?
CVE-2026-73220 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-73220?
Yes. A fix has been recorded for CVE-2026-73220. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73220 affect?
CVE-2026-73220 affects CVAT (open-source) versions >=2.68.0 and <2.70.0. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73220?
Upgrade to CVAT 2.70.0; restrict/validate guide editors and sanitize guides.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Stored XSS in annotation guides lets attackers execute JS in victims' browsers and issue arbitrary CVAT requests with victim privileges (data access/modification).
Immediate action required
- affected>= 2.68.0 and < 2.70.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.