Vulnerability · Published Aug 5, 2026 · Assigned by TuranSec
CVE-2026-71244Paperless-ngx - Mail Account Test Connection Leaks Stored IMAP/OAuth Credentials to Attacker-Controlled Host
Medium 6.5
In plain English
A medium-severity server-side request forgery in paperless-ngx from paperless-ngx. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 72.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Paperless-ngx's MailAccountViewSet.test action, when called with an existing account's ID and a masked password field, reuses the stored password, account_type, refresh_token, and expiration from that existing account while allowing the caller to supply a different imap_server, imap_port, and imap_security in the same request.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| paperless-ngx | paperless-ngx | 0 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
References
- https://github.com/paperless-ngx/paperless-ngx third-party-advisory