CVE-2026-125757

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Source
https://cve.org/CVERecord?id=CVE-2026-125757
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-125757.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-125757
Aliases
  • GHSA-jgr3-fv33-x43c
Published
2026-11-10T15:22:51Z
Modified
2026-11-11T02:48:56Z
Severity
  • 9.4 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H CVSS Calculator
Summary
mailcow: dockerized before 2026-11 Template Injection RCE via Domain-Wide Footer
Details

mailcow: dockerized before 2026-11 contains a server-side template injection vulnerability that allows domain administrators to execute commands in the shared rspamd container by storing a malicious domain-wide footer. Attackers can embed a Jinja macro with an os.execute default value, rendered by the rspamd MOO_FOOTER prefilter, to read or inject mail for every tenant and disable filtering.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-1336"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/125xxx/CVE-2026-125757.json"
}
References

Affected packages

Git / github.com/mailcow/mailcow-dockerized

Affected ranges

Type
GIT
Repo
https://github.com/mailcow/mailcow-dockerized
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
88fbaa459a5cd5843c2c7cb06ee2928e2a78b9e6
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "2026-11"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Affected versions

Other
2022-01
2022-01a
2022-03
2022-03a
2022-05
2022-05a
2022-05b
2022-05c
2022-05d
2022-06
2022-06a
2022-06b
2022-07
2022-07a
2022-08
2022-08a
2022-08b
2022-09
2022-09a
2022-10
2022-10a
2022-11
2022-11a
2022-11b
2022-12
2022-12a
2022-12b
2023-01
2023-01a
2023-02
2023-02a
2023-03
2023-04
2023-04a
2023-04b
2023-05
2023-05a
2023-07
2023-07a
2023-08
2023-09
2023-10
2023-10a
2023-11
2023-11a
2023-12
2023-12a
2024-01
2024-01a
2024-01b
2024-01c
2024-01d
2024-01e
2024-02
2024-04
2024-06
2024-06a
2024-06b
2024-06c
2024-07
2024-08
2024-08a
2024-11
2024-11a
2024-11b
2025-01
2025-01a
2025-02
2025-03
2025-03a
2025-03b
2025-05
2025-07
2025-09
2025-09a
2025-09b
2025-09c
2025-10
2025-10a
2025-12
2025-12a
2026-01
2026-03
2026-03a
2026-03b
2026-05
2026-05a
2026-05b
2026-05c
2026-07
2026-07a
2026-07b
2026-09
2026-09a
2026-10

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-125757.json"