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Vulnerability Details :

CVE-2026-41470

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-19 May, 2026 | 18:43
Updated At-19 May, 2026 | 18:43
Rejected At-
Credits

LIVE555 < 2026.04.22 RTSP Server Authorization Bypass via Session Token

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:19 May, 2026 | 18:43
Updated At:19 May, 2026 | 18:43
Rejected At:
▼CVE Numbering Authority (CNA)
LIVE555 < 2026.04.22 RTSP Server Authorization Bypass via Session Token

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.

Affected Products
Vendor
Live Networks, Inc.
Product
LIVE555
Default Status
affected
Versions
Affected
  • From 0 before 2026.04.22 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-863Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
4.08.2HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 4.0
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
finder
Younghyo Cho @ CIS Lab., Seoultech
coordinator
VulnCheck
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://gist.github.com/yhcho0405/ee9b67a96808ef19f22e8a4ee88c795f
technical-description
exploit
https://download.live555.com/
patch
product
https://www.vulncheck.com/advisories/live555-rtsp-server-authorization-bypass-via-session-token
third-party-advisory
Hyperlink: https://gist.github.com/yhcho0405/ee9b67a96808ef19f22e8a4ee88c795f
Resource:
technical-description
exploit
Hyperlink: https://download.live555.com/
Resource:
patch
product
Hyperlink: https://www.vulncheck.com/advisories/live555-rtsp-server-authorization-bypass-via-session-token
Resource:
third-party-advisory
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:19 May, 2026 | 19:16
Updated At:19 May, 2026 | 21:08

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.08.2HIGH
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.15.9MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 4.0
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 5.9
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-863Primarydisclosure@vulncheck.com
CWE ID: CWE-863
Type: Primary
Source: disclosure@vulncheck.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://download.live555.com/disclosure@vulncheck.com
N/A
https://gist.github.com/yhcho0405/ee9b67a96808ef19f22e8a4ee88c795fdisclosure@vulncheck.com
N/A
https://www.vulncheck.com/advisories/live555-rtsp-server-authorization-bypass-via-session-tokendisclosure@vulncheck.com
N/A
Hyperlink: https://download.live555.com/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://gist.github.com/yhcho0405/ee9b67a96808ef19f22e8a4ee88c795f
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://www.vulncheck.com/advisories/live555-rtsp-server-authorization-bypass-via-session-token
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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Details not found