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Medium severity6.5NVD Advisory· Published Jun 3, 2026· Updated Jun 4, 2026

CVE-2026-26379

CVE-2026-26379

Description

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.

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Affected products

2
  • Koha/Koha2 versions
    cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*range: <=25.11.00
    • (no CPE)range: <25.11

Patches

Vulnerability mechanics

References

2

News mentions

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