CVE-2026-56294 json
capacitor-native-biometric - Authentication Bypass via Unvalidated CryptoObject in onAuthenticationSucceeded
published 9mo ago modified 3d ago also EUVD-2026-38121 , GHSA-vx5f-vmr6-32wf
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
capacitor-native-biometric before 12.128.2 contains an authentication bypass vulnerability where the onAuthenticationSucceeded() method fails to validate CryptoObject parameters. Attackers can hook the onAuthenticationSucceeded() function using dynamic instrumentation to bypass biometric authentication without valid credentials.
Patch / fix
- npm @capgo/capacitor-native-biometric 8.3.6
- capacitor-native-biometric capacitor-native-biometric 12.128.2
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 4mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/Cap-go/capgo/security/advisories/GHSA-vx5f-vmr6-32wf referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.3 | CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
| CNA | 4.0 | 4.3 | CVSS:4.0/AV:P/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @capgo/capacitor-native-biometric | <8.3.6 |
8.3.6 |
Affected products
- capacitor-native-biometric capacitor-native-biometric
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
github.com
/Cap-go/capacitor-native-biometric/commit/1254602e942f8216e6258f646f0866d8e69c48a5
web
-
github.com
/Cap-go/capgo/security/advisories/GHSA-vx5f-vmr6-32wf
vendor-advisory, exploit, web
-
vulncheck.com
/advisories/capacitor-native-biometric-authentication-bypass-via-unvalidated-cryptoobject-in-onauthentications
third-party-advisory
-
github.com
/Cap-go/capgo
package
Sources
- CVE List CVE-2026-56294
- GitHub Advisory GHSA-vx5f-vmr6-32wf
- NVD CVE-2026-56294
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.