CVE-2026-110097

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.

CVSS 4.0

8.6CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-287

Published

2026-10-13

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

• https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/SecurityEndpoint.java#L80-L118
• https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/authentication/jwt/JwtAuthenticationFilter.java#L30-L46
• https://github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/security/authentication/jwt/JwtAuthenticationProvider.java#L57-L112
• https://github.com/ikaros-dev/ikaros/releases/tag/v1.2.5
• https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ikaros-2fa-bypass-temp-token

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