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Vulnerability details: VCID-rnnj-pm7e-w3c9
Vulnerability ID VCID-rnnj-pm7e-w3c9
Aliases GHSA-rp7w-624x-95qv
Summary Duplicate Advisory: LibreNMS affected by an authenticated Cross-site Scripting vulnerability on the showconfig page ## Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-5gm9-622f-qcg5. This link is maintained to preserve external references. ## Original Description 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.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-rp7w-624x-95qv
cvssv3.1 4.8 https://github.com/librenms/librenms
cvssv4 4.6 https://github.com/librenms/librenms
generic_textual MODERATE https://github.com/librenms/librenms
cvssv3.1 4.8 https://nvd.nist.gov/vuln/detail/CVE-2026-2728
cvssv4 4.6 https://nvd.nist.gov/vuln/detail/CVE-2026-2728
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-2728
cvssv3.1 4.8 https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
cvssv4 4.6 https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
generic_textual MODERATE https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
Reference id Reference type URL
https://nvd.nist.gov/vuln/detail/CVE-2026-2728
GHSA-rp7w-624x-95qv https://github.com/advisories/GHSA-rp7w-624x-95qv
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/librenms/librenms
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: 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 Found at https://github.com/librenms/librenms
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-2728
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: 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 Found at https://nvd.nist.gov/vuln/detail/CVE-2026-2728
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N Found at https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: 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 Found at https://projectblack.io/blog/librenms-authenticated-rce-and-xss/#xss-on-showconfig-page-2630
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

none

present

none

low

high

none

passive

active

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

high

low

none

No EPSS data available for this vulnerability.

Date Actor Action Source VulnerableCode Version
2026-06-12T07:45:12.360901+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-rp7w-624x-95qv/GHSA-rp7w-624x-95qv.json 38.6.0