Live555 up to 2026.04.21 RTSP Session Command authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Live555 up to 2026.04.21. It has been declared as critical. This issue affects some unknown processing of the component RTSP Session Command Handler. Executing a manipulation can lead to authorization. This vulnerability is registered as CVE-2026-41470. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Live555 up to 2026.04.21 and classified as critical. This vulnerability affects some unknown processing of the component RTSP Session Command Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect availability. CVE summarizes:

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.

The weakness was published by Younghyo Cho. The advisory is shared for download at gist.github.com. This vulnerability was named CVE-2026-41470 since 04/20/2026. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 316806 (Linux Distros Unpatched Vulnerability : CVE-2026-41470), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2026.04.22 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (316806) and EUVD (EUVD-2026-30973). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 316806
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-41470

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Live555 2026.04.22

Timelineinfo

04/20/2026 CVE reserved
05/19/2026 +29 days Advisory disclosed
05/19/2026 +0 days VulDB entry created
05/29/2026 +10 days VulDB entry last update

Sourcesinfo

Advisory: gist.github.com
Researcher: Younghyo Cho
Status: Confirmed

CVE: CVE-2026-41470 (🔒)
GCVE (CVE): GCVE-0-2026-41470
GCVE (VulDB): GCVE-100-364720
EUVD: 🔒

Entryinfo

Created: 05/19/2026 22:48
Updated: 05/29/2026 15:39
Changes: 05/19/2026 22:48 (75), 05/20/2026 00:25 (1), 05/29/2026 15:39 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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