by Kastro
Paper/Archive/CVE-2026-120442

CVE-2026-120442

xianhc ape-volo-admin — ape-volo-admin before 3.6.1 Hardcoded JWT Signing Key Authentication Bypass

CVSS 9.8
critical.is priorityof 100
29
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

ape-volo-admin before 3.6.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key in appsettings.json. Attackers can sign tokens offline with the jti claim set to the seeded administrator id to gain full API control over users, roles, permissions and data.

Affected

ProductAffectedFixed inSource
ape-volo-admin< 3.6.13.6.1CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

refgithub.com/xianhc/ape-volo-admin/issues/36patchgithub.com/xianhc/ape-volo-admin/commit/938f7ec58047f0c63123dc155d6a033910f00933refgithub.com/xianhc/ape-volo-admin/releases/tag/V3.6.1writeupgithub.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Api/appsettings.json#L4-L10writeupgithub.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Infrastructure/Extensions/AuthorizationExtensions.cs#L50-L60writeupgithub.com/xianhc/ape-volo-admin/blob/V3.5.2/Ape.Volo.Infrastructure/Authentication/PermissionHandler.cs#L130-L172writeuphackmd.io/@hieuPenguinnn/ape-volo-admin-hardcoded-jwt-secret-admin-token-forgerywriteupvulncheck.com/advisories/ape-volo-admin-before-3.6.1-hardcoded-jwt-signing-key-authentication-bypass