CVE-2026-67449: portabase · Path Traversal
Affects portabaseSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical : upgrade to 1.21.2 as a priority.
Data as of 11 Nov 2026, 22:05 UTC
Thin evidence
One scorer or none| CNA (GitHub_M) | CVSS 3.1 | 9.8 |
|---|
- Patch
- Available – fixed in 1.21.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade portabase to 1.21.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Portabaseportabase | Affected
| Fixed in
|
AI-suggested
Upgrade Portabase to version 1.21.2 or later, where this path traversal vulnerability has been fixed. No other mitigation is necessary as the vendor has provided an official fix.
Description
A critical path traversal vulnerability (CWE-22) exists in Portabase versions prior to 1.21.2 in the TUS upload webhook handler. This flaw allows unauthenticated attackers to overwrite arbitrary files within the private data directory, including the sensitive AES-256-GCM master key file. The issue has been fixed in version 1.21.2.
References
- github.com/Portabase/portabase/security/advisories/GHSA-7697-vf3j-253j (opens in a new tab)
- github.com/Portabase/portabase/pull/355 (opens in a new tab)
- github.com/Portabase/portabase/commit/8dcb406790728fbdbf758ec88bf000af79498fc1 (opens in a new tab)
- github.com/Portabase/portabase/releases/tag/1.21.2 (opens in a new tab)