CVE-2022-3290High· 7.5▾ Twilightrdiffweb's unlimited username field length can lead to DoS
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.2 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Jul 31.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.7%
0.7% → 0.9%
rdiffweb prior to 2.4.8 is vulnerable to a potential Dos attack via an unlimited length "username" field. This can result in excess memory consumption, or memory corruption, leading to a Denial of Service (DoS). This issue is patched in version 2.4.8. There are no known workarounds.
rdiffweb < 2.4.8Upgrade to a patched release:
rdiffweb 2.4.8Connected by shared product, vendor, weakness, or advisory.
CVE-2023-4138Medium· 4.2RDiffWeb vulnerable to Allocation of Resources Without Limits or Throttling
CVE-2025-67796High· 8.1IKUS Rdiffweb allows an attacker with any valid or stolen access token to act as other users
CVE-2026-109118Medium· 4.6Improper path containment check in ikus060 rdiffweb 7.1.1 allows an authenticated user to cause the browse, restore, history and delete operations to resolve to a path outside the repository being operated on, via a percent-encoded trave…
CVE-2026-109119High· 8.8Improper Privilege Management in the user management API endpoint (/api/users/{username_or_id}) in Rdiffweb allows authenticated users to elevate their privileges to administrator by modifying the role parameter in a POST request.