CVE-2026-125758 PUBLISHED

Aptabase before commit 61d4c01 Authentication Bypass via Known Example AUTH_SECRET

Assigner: VulnCheck
Reserved: 10.11.2026 Published: 10.11.2026 Updated: 10.11.2026

Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by using the publicly known example AUTH_SECRET. Attackers can enumerate registered e-mails via /api/_auth/signin, forge HS256 JWTs redeemed by /api/_auth/continue, impersonate users, export analytics data, and transfer app ownership.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 9.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 7.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	aptabase
Product	aptabase
Versions	Default: unaffected affected from 0 to 61d4c01298a706d575265461ac07bb956ca7b8d2 (excl.)

CVE-2026-125758 PUBLISHED

Aptabase before commit 61d4c01 Authentication Bypass via Known Example AUTH_SECRET

Metrics

Product Status

Credits

References

Problem Types