CVE-2026-55485
Session token exposure allows non-superuser to impersonate and become superuser.
Is CVE-2026-55485 being exploited?
Not confirmed. CVE-2026-55485 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 0.39% probability of exploitation in the next 30 days.
How severe is CVE-2026-55485?
CVE-2026-55485 is rated High with a CVSS score of 8.8. 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-2026-55485?
Yes. A fix has been recorded for CVE-2026-55485. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-55485 affect?
CVE-2026-55485 affects piccolo_admin < 1.14.0, piccolo_api < 1.10.0, deployments adding Sessions/User tables to create_admin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-55485?
Upgrade piccolo_admin to ≥1.14.0 and piccolo_api to ≥1.10.0 immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Non-superuser can GET another user's live session token, replay it to impersonate a superuser and permanently elevate their account to superuser.
Immediate action required
- affected< 1.14.0
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.