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CVE-2026-44330

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF mounts the nnef-pfdmanagement route group without inbound OAuth2/bearer-token authorization. A network attacker who can reach NEF on the SBI can use a forged or arbitrary bearer token (e.g. Authorization: Bearer not-a-real-token) to read PFD application data via GET /applications and GET /applications/{appID}, and to create or delete PFD change-notification subscriptions via POST /subscriptions and DEL
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0980d0bde824037824e6e78e3fbebf54ace56017449be236b3d86fc71138749e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"free5gc","vendor":"free5gc","versions":[{"status":"affected","version":"< 4.2.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:55aca39f2df4898ab2f8585ffee6ef4cf8dfcbdeacb9793ed156a6b480fea512 · sha256:6c267452ba6708d3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:55aca39f2df4898ab2f8585ffee6ef4cf8dfcbdeacb9793ed156a6b480fea512 · sha256:6c267452ba6708d3… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:55aca39f2df4898ab2f8585ffee6ef4cf8dfcbdeacb9793ed156a6b480fea512 · sha256:6c267452ba6708d3… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rwww-x45w-p52w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55aca39f2df4898ab2f8585ffee6ef4cf8dfcbdeacb9793ed156a6b480fea512 · sha256:6c267452ba6708d3… · /containers/adp/0/references/0
{"name":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rwww-x45w-p52w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rwww-x45w-p52w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:55aca39f2df4898ab2f8585ffee6ef4cf8dfcbdeacb9793ed156a6b480fea512 · sha256:6c267452ba6708d3… · /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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