CVE-2026-26379

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Source
https://cve.org/CVERecord?id=CVE-2026-26379
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26379.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-26379
Published
2026-06-03T00:00:00Z
Modified
2026-07-15T01:48:58.975125126Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Koha versions up to 25.11 contain a Server-Side Request Forgery (SSRF) vulnerability via the Z39.50/SRU server configuration. This allows authenticated attackers to perform internal network scanning and identify running services by analyzing server response times.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26379.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/koha-community/koha

Affected ranges

Type
GIT
Repo
https://github.com/koha-community/koha
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
3f2987eb19f7ac1987591d8e9b01961c39405b39
Database specific 
{
    "cpe": "cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "25.11.00"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

Other
R_1-2-2RC4
R_1-3-0
R_1-3-1
R_1-3-2
R_1-3-3
R_1-9-0
R_1-9-1
R_1-9-2
R_1-9-3
R_2-0-0RC1
R_2-0-0pre1
R_2-0-0pre2
R_2-0-0pre3
R_2-0-0pre4
R_2-0-0pre5
R_2-1
R_2-4
v16.*
v16.05.00
v16.05.00-beta
v16.11.00
v17.*
v17.05.00
v17.11.00
v18.*
v18.05.00
v18.05.00-rc1
v18.11.00
v19.*
v19.05.00
v19.11.00
v20.*
v20.05.00
v20.11.00
v21.*
v21.05.00
v21.11.00
v22.*
v22.05.00
v22.11.00
v23.*
v23.05.00
v23.11.00
v24.*
v24.05.00
v24.11.00
v25.*
v25.05.00-1
v25.05.00-2
v25.11.00
v3.*
v3.00.00
v3.00.00-alpha
v3.00.00-beta
v3.00.00-beta2
v3.00.00-stableRC1
v3.02.00-alpha
v3.02.00-alpha2
v3.02.00-beta
v3.04.00
v3.08.00
v3.12.00-alpha
v3.12.00-alpha2
v3.12.00-beta1
v3.14.00-alpha1
v3.14.00-alpha2
v3.14.00-beta
v3.16.00
v3.16.00-beta
v3.16.00-rc
v3.18.00
v3.18.00-beta
v3.20.00
v3.20.00-beta
v3.22.00
v3.22.00-beta

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26379.json"