CVE Explorer
CVE-2026-26992
LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. In versions 26.1.1 and below, the port group name is not sanitized, allowing attackers with admin privileges to perform Stored Cross-Site Scripting (XSS) attacks. When a user adds a port group, an HTTP POST request is sent to the Request-URI "/port-groups". The name of the newly created port group is stored in the value of the name parameter. After the port group is created, the entry is displayed along with relevant b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"librenms","vendor":"librenms","versions":[{"status":"affected","version":"< 26.2.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /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:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"name":"https://github.com/librenms/librenms/commit/882fe6f90ea504a3732f83caf89bba7850a5699f","tags":["x_refsource_MISC"],"url":"https://github.com/librenms/librenms/commit/882fe6f90ea504a3732f83caf89bba7850a5699f"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /containers/cna/references/2
{"name":"https://github.com/librenms/librenms/pull/19042","tags":["x_refsource_MISC"],"url":"https://github.com/librenms/librenms/pull/19042"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /containers/cna/references/1
{"name":"https://github.com/librenms/librenms/releases/tag/26.2.0","tags":["x_refsource_MISC"],"url":"https://github.com/librenms/librenms/releases/tag/26.2.0"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /containers/cna/references/3
{"name":"https://github.com/librenms/librenms/security/advisories/GHSA-93fx-g747-695x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/librenms/librenms/security/advisories/GHSA-93fx-g747-695x"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e72290d089bf1ea2916ae58ac34c74284b1b691a8b8653de9a564988867bc87a · sha256:e3829bd381cace4a… · /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.