CVE-2026-26379

{"id": "CVE-2026-26379", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2026-06-03T19:16:25.647", "references": [{"url": "https://g03m0n.github.io/", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://g03m0n.github.io/posts/cve-2026-26379/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/Koha-Community/Koha", "tags": ["Product"], "source": "cve@mitre.org"}, {"url": "https://g03m0n.github.io/posts/cve-2026-26379/", "tags": ["Exploit", "Third Party Advisory"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-918"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-04T18:54:11.703", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:koha:koha:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25FAB290-1183-4E6F-8512-9ED7BBEA694C", "versionEndIncluding": "25.11.00"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}