VDB-404937 · CVE-2026-76855 · GCVE-0-2026-76855

Netcore NR255-V 1.5.130703 Audit l7_web_auth_log_dump_cgi.c information disclosure

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.
5.3	$0-$5k	0.45

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Netcore NR255-V 1.5.130703. Impacted is an unknown function of the file l7_web_auth_log_dump_cgi.c of the component Audit. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2026-76855. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Netcore NR255-V 1.5.130703. This affects an unknown functionality of the file l7_web_auth_log_dump_cgi.c of the component Audit. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the audit endpoints handled by l7_web_auth_log_dump_cgi.c, audit_get_cgi.c, and mod_dispatch_auth/plan.json. Attackers can query these audit components to obtain other users' session and browsing history data across sessions.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-76855 since 08/19/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Netcore

Name

NR255-V

Version

1.5.130703

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

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

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/19/2026 CVE reserved
09/15/2026 +27 days VulDB entry created
09/16/2026 +0 days Advisory disclosed
09/16/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-76855 (🔒)
GCVE (CVE): GCVE-0-2026-76855
GCVE (VulDB): GCVE-100-404937

Entryinfo

Created: 09/16/2026 00:13
Changes: 09/16/2026 00:13 (75)
Complete: 🔍
Cache ID: 216::103