CVE-2026-126780

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Source
https://cve.org/CVERecord?id=CVE-2026-126780
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126780.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-126780
Published
2026-11-11T18:41:10Z
Modified
2026-11-14T02:31:07Z
Severity
  • 8.6 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Webmin through 2.670 Privilege Escalation via acl/save_group.cgi
Details

Webmin through 2.670 contains a privilege escalation vulnerability in acl/save_group.cgi that allows delegated administrators to grant unauthorized modules by submitting arbitrary module lists in the mod parameter. Attackers with Webmin Users module access can create or edit groups holding modules like Command Shell and assign themselves membership to execute commands as root.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-269"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126780.json"
}
References

Affected packages

Git / github.com/webmin/webmin

Affected ranges

Type
GIT
Repo
https://github.com/webmin/webmin
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
c861e308f4ee4cff1795ccc7621fc75623e1bb90
Fixed
be54ba38c3b86a3647a62327e1de81d5d0db098a
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "2.670"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "c861e308f4ee4cff1795ccc7621fc75623e1bb90"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "range": [
                {
                    "fixed": "be54ba38c3b86a3647a62327e1de81d5d0db098a"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

1.*
1.700
1.710
1.720
1.730
1.740
1.750
1.760
1.770
1.780
1.790
1.800
1.801
1.810
1.820
1.830
1.831
1.840
1.850
1.860
1.870
1.880
1.890
1.900
1.910
1.920
1.930
1.940
1.941
1.950
1.951
1.953
1.954
1.955
1.960
1.962
1.970
1.972
1.973
1.974
1.980
1.982
1.983
1.984
1.990
1.991
1.993
1.994
1.995
1.996
1.998
1.999
2.*
2.000
2.001
2.003
2.010
2.011
2.012
2.013
2.020
2.021
2.100
2.103
2.104
2.105
2.110
2.111
2.200
2.201
2.202
2.301
2.302
2.400
2.401
2.402
2.501
2.510
2.520
2.600
2.610
2.620
2.621
2.630
2.640
2.641
2.650
2.651
2.652
2.653
2.660

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126780.json"