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CVE-2026-1684

A vulnerability was found in Free5GC SMF up to 4.1.0. Affected by this issue is the function HandleReports of the file /internal/context/pfcp_reports.go of the component PFCP UDP Endpoint. The manipulation results in denial of service. The attack can be executed remotely. It is advisable to implement a patch to correct this issue.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a8e6e1122d3c92677555fe29f475efa7905899a3e1a25b554484b3161361943d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"modules":["PFCP UDP Endpoint"],"product":"SMF","vendor":"Free5GC","versions":[{"status":"affected","version":"4.0"},{"status":"affected","version":"4.1.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-404","description":"Denial of Service","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"tags":["issue-tracking"],"url":"https://github.com/free5gc/free5gc/issues/806"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/4
{"tags":["product"],"url":"https://github.com/free5gc/smf/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/6
{"tags":["issue-tracking","patch"],"url":"https://github.com/free5gc/smf/pull/188"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/5
{"name":"VDB-343477 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.343477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/1
{"name":"VDB-343477 | Free5GC SMF PFCP UDP Endpoint pfcp_reports.go HandleReports denial of service","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.343477"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/0
{"name":"Submit #739655 | free5gc SMF v4.1.0 Denial of Service","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.739655"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/2
{"name":"Submit #739656 | free5gc SMF v4.1.0 Denial of Service (Duplicate)","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.739656"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24646998d6fbf6bf6eb4e19c0b1d37fdc2cce04ec3007c441347f198729aed67 · sha256:f053d7149e26953a… · /containers/cna/references/3

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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