CVE-2026-54267
DOM clobber in Angular SSR hydration via ng-state allows attacker-controlled JSON parsing.
Is CVE-2026-54267 being exploited?
Not confirmed. CVE-2026-54267 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-54267?
CVE-2026-54267 is rated High with a CVSS score of 8.6. 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-2026-54267?
Yes. A fix has been recorded for CVE-2026-54267. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-54267 affect?
CVE-2026-54267 affects Angular framework (<22.0.1, 21.2.17, 20.3.25). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-54267?
Upgrade to Angular 22.0.1+ (or 21.2.17/20.3.25) to fix hydration flaw.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker-controlled hydration state parsed as JSON, risking data tampering or injection during client bootstrap.
Immediate action required
- affected>= 22.0.0-next.0 and < 22.0.1
- affected>= 21.0.0-next.0 and < 21.2.17
- affected>= 20.0.0-next.0 and < 20.3.25
- affected<= 19.2.25
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.