CVE-2026-26989

Source
https://cve.org/CVERecord?id=CVE-2026-26989
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26989.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-26989
Aliases
Published
2026-02-20T01:25:31.936Z
Modified
2026-03-03T02:56:15.659374Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L CVSS Calculator
Summary
LibreNMS has Stored XSS in Alert Rule
Details

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Versions 25.12.0 and below are affected by a Stored Cross-Site Scripting (XSS) vulnerability in the Alert Rules workflow. An attacker with administrative privileges can inject malicious scripts that execute in the browser context of any user who accesses the Alert Rules page. This issue has been fixed in version 26.2.0.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26989.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-79"
    ]
}
References

Affected packages

Git / github.com/librenms/librenms

Affected ranges

Type
GIT
Repo
https://github.com/librenms/librenms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

0.*
0.1
1.*
1.19
1.20
1.21
1.25
1.26
1.27
1.28
1.29
1.30
1.30.01
1.31
1.31.01
1.31.02
1.31.03
1.32
1.33
1.35
1.36
1.37
1.38
1.39
1.40
1.41
1.42
1.42.01
1.43
1.44
1.45
1.46
1.47
1.48
1.48.1
1.49
1.50
1.51
1.52
1.53
1.53.1
1.54
1.55
1.56
1.57
1.58
1.58.1
1.59
1.60
1.61
1.62
1.63
1.64
1.64.1
1.65
1.66
1.67
1.68
1.69
1.70.0
1.70.1
Other
201505
201506
201507
201508
201509
201510
201511
201512
201601
201602
201603
201604
201605
201606
201607
201608
20160828
201609
21.*
21.1.0
21.10.0
21.11.0
21.12.0
21.12.1
21.2.0
21.3.0
21.4.0
21.5.0
21.5.1
21.6.0
21.7.0
21.8.0
21.9.0
22.*
22.1.0
22.10.0
22.11.0
22.12.0
22.2.0
22.2.1
22.3.0
22.4.0
22.5.0
22.6.0
22.7.0
22.8.0
22.9.0
23.*
23.1.0
23.10.0
23.11.0
23.2.0
23.4.0
23.4.1
23.5.0
23.6.0
23.7.0
23.8.0
23.8.1
23.8.2
23.9.0
23.9.1
24.*
24.1.0
24.10.0
24.10.1
24.11.0
24.12.0
24.2.0
24.3.0
24.4.0
24.4.1
24.5.0
24.6.0
24.7.0
24.8.0
24.9.0
24.9.1
25.*
25.1.0
25.10.0
25.11.0
25.12.0
25.2.0
25.3.0
25.4.0
25.5.0
25.6.0
25.7.0
25.8.0
25.9.0
26.*
26.1.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26989.json"