What’s Vulnerable › Vulnerabilities

CVE-2026-110097: Ikaros 1.2.0 through 1.2.5 TOTP Authentication Bypass via Temp Token

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-16
• Weakness: CWE-287

Description

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.

Affected products

• ikaros-dev ikaros: from 1.2.0 through 1.2.5

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
• https://www.vulncheck.com/advisories/ikaros-1.2.0-through-1.2.5-totp-authentication-bypass-via-temp-token
• https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-110097-ikaros-2fa-bypass-temp-token

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