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CVE-2026-44515

Nextcloud News is an RSS/Atom feed reader. Prior to 28.3.0-beta.1, Nextcloud News allows authenticated users to add feeds by providing a feed URL (via the web interface or the API). In affected versions, an authenticated attacker could provide a URL pointing to internal/private IP ranges or localhost, causing the Nextcloud server to perform server-side HTTP requests to attacker-controlled destinations, but not relaying the result. This enables blind SSRF, which can be used to scan or probe inter
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3451ff5840a58b9ee20ea65c7ee34d663bbd464373dd037218f1d85872fa413b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"news","vendor":"nextcloud","versions":[{"status":"affected","version":"< 28.3.0-beta.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f9a817d1d3fbd41e8d34b783e5ebb74f2e574391399746ee6a644095b52bda56 · sha256:6b248d92b84207dd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f9a817d1d3fbd41e8d34b783e5ebb74f2e574391399746ee6a644095b52bda56 · sha256:6b248d92b84207dd… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"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:f9a817d1d3fbd41e8d34b783e5ebb74f2e574391399746ee6a644095b52bda56 · sha256:6b248d92b84207dd… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/nextcloud/news/security/advisories/GHSA-jcfr-rmj6-cpfj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nextcloud/news/security/advisories/GHSA-jcfr-rmj6-cpfj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f9a817d1d3fbd41e8d34b783e5ebb74f2e574391399746ee6a644095b52bda56 · sha256:6b248d92b84207dd… · /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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