VDB-385600 · CVE-2026-68743 · Nessus 332086

sssd PAM responder auth_token_length out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in sssd. The affected element is an unknown function of the component PAM responder. Executing a manipulation of the argument auth_token_length can lead to out-of-bounds. This vulnerability is registered as CVE-2026-68743. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability has been found in sssd (unknown version) and classified as critical. This vulnerability affects an unknown code block of the component PAM responder. The manipulation of the argument auth_token_length with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

This vulnerability was named CVE-2026-68743. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 332086 (Linux Distros Unpatched Vulnerability : CVE-2026-68743), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (332086). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

sssd

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 332086
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-68743

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/03/2026 Advisory disclosed
08/03/2026 +0 days VulDB entry created
08/05/2026 +2 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2026-68743 (🔒)
GCVE (CVE): GCVE-0-2026-68743
GCVE (VulDB): GCVE-100-385600

Entryinfo

Created: 08/03/2026 16:21
Updated: 08/05/2026 10:14
Changes: 08/03/2026 16:21 (47), 08/05/2026 10:14 (2)
Complete: 🔍
Cache ID: 216::103

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