CVE-2026-77850
Stored XSS in ash_admin typeahead can execute attacker-supplied labels in admin UI.
Is CVE-2026-77850 being exploited?
Not confirmed. CVE-2026-77850 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-2026-77850?
CVE-2026-77850 is rated High with a CVSS score of 8.4. 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-2026-77850?
Yes. A fix has been recorded for CVE-2026-77850. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-77850 affect?
CVE-2026-77850 affects ash-project/ash_admin >=0.13.0 and <1.3.1. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-77850?
Upgrade ash_admin to >=1.3.1 and sanitize/escape user-editable labels; restrict who can edit records.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Stored XSS executes attacker-supplied record labels in admin browsers, enabling admin session takeover and full access to AshAdmin-exposed functions.
Immediate action required
- affected>= 0.13.0 and < 1.3.1
- affected>= eb940f4d7d857ca49368ae847f586d01c6f5ad35 and < 07289191ccdac27dd70ab7c6413ed057bc7fdade
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.