CVE Explorer
CVE-2026-2728
LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page.
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_v5affectedurn:baitaphish:normalized-source-record:v2:06cd94250fac0928fa83562379f569cf994b3f398dcbfac944996dda027ccde7 · sha256:4123c47e6b3c1cde… · /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":4.6,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:06cd94250fac0928fa83562379f569cf994b3f398dcbfac944996dda027ccde7 · sha256:4123c47e6b3c1cde… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:06cd94250fac0928fa83562379f569cf994b3f398dcbfac944996dda027ccde7 · sha256:4123c47e6b3c1cde… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["exploit"],"url":"https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:06cd94250fac0928fa83562379f569cf994b3f398dcbfac944996dda027ccde7 · sha256:4123c47e6b3c1cde… · /containers/cna/references/0
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.