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CVE Vulnerability Details :
CVE-2026-26988
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-20 Feb, 2026 | 01:17
Updated At-20 Feb, 2026 | 15:35
Rejected At-
▼CVE Numbering Authority (CNA)
LibreNMS: SQL Injection in ajax_table.php spreads through a covert data stream

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below contain an SQL Injection vulnerability in the ajax_table.php endpoint. The application fails to properly sanitize or parameterize user input when processing IPv6 address searches. Specifically, the address parameter is split into an address and a prefix, and the prefix portion is directly concatenated into the SQL query string without validation. This allows an attacker to inject arbitrary SQL commands, potentially leading to unauthorized data access or database manipulation. This issue has been fixed in version 26.2.0.

Affected Products
Vendor
LibreNMSlibrenms
Product
librenms
Versions
Affected
  • < 26.2.0
Problem Types
TypeCWE IDDescription
CWECWE-89CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Type: CWE
CWE ID: CWE-89
Description: CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Metrics
VersionBase scoreBase severityVector
4.09.3CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 9.3
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/librenms/librenms/security/advisories/GHSA-h3rv-q4rq-pqcv
x_refsource_CONFIRM
https://github.com/librenms/librenms/pull/18777
x_refsource_MISC
https://github.com/librenms/librenms/commit/15429580baba03ed1dd377bada1bde4b7a1175a1
x_refsource_MISC
Hyperlink: https://github.com/librenms/librenms/security/advisories/GHSA-h3rv-q4rq-pqcv
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/librenms/librenms/pull/18777
Resource:
x_refsource_MISC
Hyperlink: https://github.com/librenms/librenms/commit/15429580baba03ed1dd377bada1bde4b7a1175a1
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found