Vulnerability in ikaros-dev ikaros

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/securit…
• github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/securit…
• github.com/ikaros-dev/ikaros/blob/v1.2.5/server/src/main/java/run/ikaros/server/securit…
• github.com/ikaros-dev/ikaros/releases/tag/v1.2.5
• hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/ikaros-2fa-bypass-temp-token
• www.vulncheck.com/advisories/ikaros-1.2.0-through-1.2.5-totp-authentication-bypass-via-…
• hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-110097-ikaros-2fa-bypass-temp-token