CVE-2026-26988 is a critical SQL Injection vulnerability affecting LibreNMS versions 25.12.0 and below. The flaw resides in the ajax_table.php endpoint, where improper sanitization of IPv6 address search input allows attackers to inject arbitrary SQL commands. This vulnerability carries a CVSS score of 9.1 (Critical) due to its network-based attack vector, low attack complexity, and potential for high impact on confidentiality and integrity, enabling unauthorized data access or database manipulation. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered significant community discussion, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 26.2.0CPE matchmatch criteria | cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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/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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.