CVE-2026-50000 (GCVE-0-2026-50000)

Vulnerability from cvelistv5 – Published: 2026-10-30 17:11 – Updated: 2026-10-30 18:35
VLAI
Title
SecureDrop: API session token reuse against the Journalist Interface web UI
Summary
SecureDrop is an open-source whistleblower submission system that media organizations can use to securely accept documents from, and communicate with anonymous sources. From 2.5.0 until 2.16.0, the `Journalist Interface` can accept an `API session` token against the `web UI` because its `SessionInterface` keeps a mutable session key prefix that changes with each request and persists across requests. API and web sessions were separated in `Redis` starting in version 2.5.0, but prefix corruption confuses those session namespaces. An attacker who already has access to the secret `Journalist Interface` onion address, the required authentication access and a recent nonexpired `API session` token can reuse that token against the `web UI` until its natural expiry, at most eight hours. The corrupted prefix can also prevent logout from deleting the correct `Redis` session, although normal expiry still applies. A compromised journalist can access encrypted submissions and perform broad actions on source submissions, but this issue does not expose plaintext submissions or affect the running system's availability. This issue is fixed in version 2.16.0.
Severity
5 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-30 18:25 UTC
CWE
  • CWE-863 - Incorrect Authorization
Assigner
GitHub_M CNA under the mitre root
CNA scorecard C 72/100 over 7913 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
freedomofpress securedrop Affected: >= 2.5.0, < 2.16.0
guessed Create a notification for this product.
Show details on NVD website
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