Angular is a widely used web framework; SSR XSS (CVSS 8.6) can enable widespread client-side compromise and data theft across many web apps, so broad IT/dev notification is warranted.
CVE-2026-88060
Angular SSR flaw allows arbitrary JavaScript execution (XSS) in rendered pages
Is CVE-2026-88060 being exploited?
Not confirmed. CVE-2026-88060 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 0.70% probability of exploitation in the next 30 days.
How severe is CVE-2026-88060?
CVE-2026-88060 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-2026-88060?
Yes. A fix has been recorded for CVE-2026-88060. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-88060 affect?
CVE-2026-88060 affects @angular/platform-server, Angular <20.3.30, Angular <21.2.22, Angular <22.1.4, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-88060?
Upgrade to 20.3.30 / 21.2.22 / 22.1.4+, sanitize inputs and redeploy SSR apps
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Server-side rendering serializes untrusted input unescaped, enabling arbitrary JS execution in clients — allows token theft, account takeover, session hijack.
Immediate action required
- affected<= 19.2.25
- affected>= 20.0.0 and < 20.3.30
- affected>= 21.0.0 and < 21.2.22
- affected>= 22.0.0 and < 22.1.4
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.