CVE-2026-15587
Authenticated privilege escalation to system admin in Google Chronicle SOAR via crafted header.
Is CVE-2026-15587 being exploited?
Not confirmed. CVE-2026-15587 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 0.16% probability of exploitation in the next 30 days.
How severe is CVE-2026-15587?
CVE-2026-15587 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-2026-15587?
Yes. A fix has been recorded for CVE-2026-15587. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-15587 affect?
CVE-2026-15587 affects Google Chronicle SOAR (< 6.3.85), Google SecOps (Chronicle SOAR) on GCP. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-15587?
Confirm instances updated to 6.3.85 or that provider applied the patch; audit admin accounts and logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can escalate to system-level admin via a crafted internal auth header, enabling full admin takeover, workflow tampering, and data access.
Monitor only
- affected< 6.3.85
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.