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CVE-2026-44319

free5GC is an open-source implementation of the 5G core network. Prior to 4.2.2, free5GC's NEF terminates the entire process when a stored PFD-subscription notifyUri cannot be reached. In PfdChangeNotifier.FlushNotifications(), the notifier calls NnefPFDmanagementNotify(...) and on any delivery error invokes logger.PFDManageLog.Fatal(err), which is os.Exit(1)-equivalent in Go. An attacker who can create a PFD subscription with an attacker-chosen notifyUri and then trigger a PFD change can determ
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3644289380e7921b27a8257561978f1e70214036c1489c6fbd7b5d2541c5ca1e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-755","description":"CWE-755: Improper Handling of Exceptional Conditions","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-617","description":"CWE-617: Reachable Assertion","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/1/descriptions/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:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-755","description":"CWE-755: Improper Handling of Exceptional Conditions","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-617","description":"CWE-617: Reachable Assertion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/problemTypes/1/descriptions/0

Source references

6 source assertions
{"name":"https://github.com/free5gc/free5gc/issues/924","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/free5gc/issues/924"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/free5gc/free5gc/issues/924"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/adp/0/references/1
{"tags":["exploit"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rxrq-fv76-26pr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/adp/0/references/0
{"name":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rxrq-fv76-26pr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/free5gc/free5gc/security/advisories/GHSA-rxrq-fv76-26pr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/references/0
{"name":"https://github.com/free5gc/nef/commit/f110517b1189801950b50668a593398687049074","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/nef/commit/f110517b1189801950b50668a593398687049074"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/references/3
{"name":"https://github.com/free5gc/nef/pull/25","tags":["x_refsource_MISC"],"url":"https://github.com/free5gc/nef/pull/25"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4ab72b015ae68f8772e05093788fc1520735b7ae712d7d1bdc9d610a516c91d5 · sha256:78c2150a60291f98… · /containers/cna/references/2

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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