Auth bypass in Live Networks, Inc. Live555
CVE-2026-41470
LIVE555 before 2026.04.22 contains an authorization bypass vulnerability in RTSP session command handling that allows attackers to replay valid Session tokens from unauthenticated connections. Attackers who obtain a valid Session token can issue PLAY and TEARDOWN commands from a second TCP connection without authentication, causing server crashes through virtual function call errors or disrupting active streams by terminating victim sessions.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (48.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Live Networks, Inc. Live555 — versions 0
Weakness classification (CWE)
References
- download.live555.com/ (product, patch)
- gist.github.com/yhcho0405/ee9b67a96808ef19f22e8a4ee88c795f (technical-description, exploit)
- www.vulncheck.com/advisories/live555-rtsp-server-authorization-bypass-via-sessi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-41470?
- CVE-2026-41470 is a medium-severity vulnerability in Live Networks, Inc. Live555, classified under Incorrect Authorization. CVSS score: 5.9/10. Published 2026-05-19.
- How severe is CVE-2026-41470?
- Medium severity. CVSS v3 base score is 5.9 out of 10.