CVE-2026-67449
Portabase: Unauthenticated path traversal in TUS webhook overwrites AES-256-GCM master key
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Portabase is a database backup and restore tool for PostgreSQL, MySQL, MsSQL, MariaDB, Firebird SQL, SQLite, MongoDB, Redis, Files and Docker Volume. Prior to version 1.21.2, a path traversal in the TUS upload webhook handler (app/api/tus/hooks/route.ts) allowed an unauthenticated attacker to overwrite arbitrary files under the private data directory, including /data/private/keys/master_key.bin (the AES-256-GCM master key). This issue has been patched in version 1.21.2.
| CWE | CWE-22 CWE-306 |
| Vendor | portabase |
| Product | portabase |
| Published | Nov 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Portabase / portabase
< 1.21.2
References
github.com: https://github.com/Portabase/portabase/security/advisories/GHSA-7697-vf3j-253j github.com: https://github.com/Portabase/portabase/pull/355 github.com: https://github.com/Portabase/portabase/commit/8dcb406790728fbdbf758ec88bf000af79498fc1 github.com: https://github.com/Portabase/portabase/releases/tag/1.21.2