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CVE-2026-26379

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:18cf50240b0c4440784cb92d5531341bfef75deb3e9f4417149d2011b33e5567
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-918","description":"CWE-918 Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/adp/0/problemTypes/0/descriptions/0
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://g03m0n.github.io/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/references/1
{"url":"https://g03m0n.github.io/posts/cve-2026-26379/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://g03m0n.github.io/posts/cve-2026-26379/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/adp/0/references/0
{"url":"https://github.com/Koha-Community/Koha"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eac38303fb1daeff47541903a8a6cc4064df0c8723ccefab72cc03baa59bde10 · sha256:a97b2b7557260f59… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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