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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/aptabase/aptabase/commit/61d4c01298a706d575265461ac07bb956ca7b8d2 cve-icon
https://github.com/aptabase/aptabase/pull/204 cve-icon
https://github.com/aptabase/aptabase/security/advisories/GHSA-gc76-cqm4-vqcf cve-icon
https://github.com/aptabase/self-hosting/commit/b79a472419ff17e485d0bd5b4adf1b1ef2b9953c cve-icon
https://www.vulncheck.com/advisories/aptabase-before-commit-61d4c01-authentication-bypass-via-known-example-auth-secret cve-icon
History

Tue, 10 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Aptabase before commit 61d4c01 Authentication Bypass via Known Example AUTH_SECRET
Weaknesses CWE-1188
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-10T15:22:52.231Z

Reserved: 2026-11-10T12:36:10.180Z

Link: CVE-2026-125758

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses