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CVE-2026-6204

LibreNMS versions before 26.3.0 are affected by an authenticated remote code execution vulnerability by abusing the Binary Locations config and the Netcommand feature. Successful exploitation requires administrative privileges. Exploitation could result in compromise of the underlying web server.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dd94eab21b6cc562e0e2e11ca9b18d6c3514a526ccc8a5052e3418702b238882
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"librenms","vendor":"librenms","versions":[{"lessThan":"26.3.0","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a5a6fee582744c0b76d1ac166d6effebd77066fe14d9546e3e191e188d27f570 · sha256:7f4683392e341ff2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.5,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a5a6fee582744c0b76d1ac166d6effebd77066fe14d9546e3e191e188d27f570 · sha256:7f4683392e341ff2… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a5a6fee582744c0b76d1ac166d6effebd77066fe14d9546e3e191e188d27f570 · sha256:7f4683392e341ff2… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["vendor-advisory"],"url":"https://github.com/librenms/librenms/security/advisories/GHSA-pr3g-phhr-h8fh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a6fee582744c0b76d1ac166d6effebd77066fe14d9546e3e191e188d27f570 · sha256:7f4683392e341ff2… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#binary-path-rce-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a5a6fee582744c0b76d1ac166d6effebd77066fe14d9546e3e191e188d27f570 · sha256:7f4683392e341ff2… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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