CVE-2026-29792
Unauthenticated token mint via forged OAuth callback in Feathersjs 5.0.0–5.0.41.
Is CVE-2026-29792 being exploited?
Not confirmed. CVE-2026-29792 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 0.52% probability of exploitation in the next 30 days.
How severe is CVE-2026-29792?
CVE-2026-29792 is rated Critical with a CVSS score of 9.3. 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-2026-29792?
Yes. A fix has been recorded for CVE-2026-29792. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-29792 affect?
CVE-2026-29792 affects Feathersjs 5.0.0-5.0.41. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-29792?
Upgrade to Feathersjs 5.0.42+ immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can obtain a valid access token for an existing user by crafting the OAuth callback payload, bypassing the provider flow.
Immediate action required
- affected>= 5.0.0 and < 5.0.42
- affected>= 5.0.0 and < 5.0.42
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.