CVE-2026-110097
Ikaros 1.2.0 through 1.2.5 TOTP Authentication Bypass via Temp Token
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
Ikaros 1.2.0 through 1.2.5 contains an authentication bypass vulnerability that allows attackers with a valid password to skip TOTP verification by reusing the login temp token. Attackers can present the temp token from the jwt/apply endpoint as a bearer JWT, refresh it, or use HTTP Basic login to gain full account access, including the master administrator.
| CWE | CWE-287 |
| Vendor | ikaros-dev |
| Product | ikaros |
| Published | Oct 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
ikaros-dev / ikaros
1.2.0 ≤ 1.2.5
References
hackmd.io: https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ikaros-2fa-bypass-temp-token github.com: https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/authentication/jwt/JwtAuthenticationProvider.java#L57-L112 github.com: https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/authentication/jwt/JwtAuthenticationFilter.java#L30-L46 github.com: https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/SecurityEndpoint.java#L80-L118 github.com: https://github.com/ikaros-dev/ikaros/releases/tag/v1.2.5 vulncheck.com: https://www.vulncheck.com/advisories/ikaros-1.2.0-through-1.2.5-totp-authentication-bypass-via-temp-token
Credits
hieuPenguinnn