Affects Google Cloud Shell (GCP) — a widely used cloud management tool; OAuth token theft can enable broad account/API compromise.
CVE-2026-85267
Cloud Shell WebSocket hijack enables OAuth token theft (patched).
Is CVE-2026-85267 being exploited?
Not confirmed. CVE-2026-85267 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.
How severe is CVE-2026-85267?
CVE-2026-85267 is rated High with a CVSS score of 8.7. 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-2026-85267?
Yes. A fix has been recorded for CVE-2026-85267. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-85267 affect?
CVE-2026-85267 affects Google Cloud Shell (GCP) - versions prior to 2026-07-22. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-85267?
Verify Cloud Shell updated; rotate affected OAuth tokens if suspicious.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Cross-origin WebSocket hijack of active Cloud Shell sessions to exfiltrate OAuth access tokens, enabling unauthorized API/cloud access.
Monitor only
- affected< 2026-07-22
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.