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CVE-2026-1683

A vulnerability has been found in Free5GC SMF up to 4.1.0. Affected by this vulnerability is the function HandlePfcpSessionReportRequest of the file internal/pfcp/handler/handler.go of the component PFCP. The manipulation leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. To fix this issue, it is recommended to deploy a patch.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5530d891de23a59b4aa9a9656f2dd860c686d34df1a0f66438d9624edadfe9e2
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:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/2/cvssV3_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:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/1/cvssV3_1

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

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/3/cvssV2_0

{"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:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"modules":["PFCP"],"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:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /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:P/RL:O/RC:C","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/2/cvssV3_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:P/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/metrics/3/cvssV2_0
{"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:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /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:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"tags":["issue-tracking"],"url":"https://github.com/free5gc/free5gc/issues/804"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/4
{"tags":["exploit","issue-tracking"],"url":"https://github.com/free5gc/free5gc/issues/804#issue-3816086696"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/5
{"tags":["product"],"url":"https://github.com/free5gc/smf/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/7
{"tags":["issue-tracking","patch"],"url":"https://github.com/free5gc/smf/pull/188"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/6
{"name":"VDB-343476 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.343476"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/1
{"name":"VDB-343476 | Free5GC SMF PFCP handler.go HandlePfcpSessionReportRequest denial of service","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.343476"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/0
{"name":"Submit #739653 | free5gc SMF v4.1.0 Denial of Service","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.739653"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /containers/cna/references/2
{"name":"Submit #739654 | free5gc SMF v4.1.0 Denial of Service (Duplicate)","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.739654"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429d70dfa0fbc51a0877525d6852aa8aac74901987e3e7c02e1a861f49413fea · sha256:c5c0d1bd08b3700d… · /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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