Affects IBM WebSphere, a widely used enterprise application server; CVSS 9.4 SSRF can expose internal services and sensitive data, warranting broad IT notification.
CVE-2026-14529
SSRF in IBM WebSphere via SIP container (sipServlet-1.1) allowing backend requests.
Is CVE-2026-14529 being exploited?
Not confirmed. CVE-2026-14529 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 0.40% probability of exploitation in the next 30 days.
How severe is CVE-2026-14529?
CVE-2026-14529 is rated Critical with a CVSS score of 9.4. 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-2026-14529?
Yes. A fix has been recorded for CVE-2026-14529. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14529 affect?
CVE-2026-14529 affects IBM WebSphere Application Server 9.0, IBM WebSphere Application Server 8.5, IBM WebSphere Liberty traditional 17.0.0.3 through 26.0.0.8 (sipServlet-1.1 enabled). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14529?
Apply vendor patch when released or disable sipServlet-1.1; restrict server outbound/internal access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Server-side request forgery: attacker can make arbitrary backend/internal requests, access internal services/admin interfaces, and potentially read sensitive data.
Immediate action required
- affected9.0
- affected8.5
- affected>= 17.0.0.3 and <= 26.0.0.8
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.