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CVE-2026-2525

A vulnerability has been found in Free5GC up to 4.1.0. This affects an unknown function of the component PFCP UDP Endpoint. Such manipulation leads to denial of service. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:f1d2e5cb1a674400c039da8b674155501d1116d9a21d85fc539e524d748e7448
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,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/3/cvssV2_0

{"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:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/2/cvssV3_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:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/0/cvssV4_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:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:free5gc:free5gc:*:*:*:*:*:*:*:*"],"modules":["PFCP UDP Endpoint"],"product":"Free5GC","vendor":"n/a","versions":[{"status":"affected","version":"4.0"},{"status":"affected","version":"4.1.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/3/cvssV2_0
{"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:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/2/cvssV3_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:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/0/cvssV4_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:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/metrics/1/cvssV3_1

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:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions
{"tags":["product"],"url":"https://github.com/free5gc/free5gc/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/references/5
{"tags":["issue-tracking"],"url":"https://github.com/free5gc/free5gc/issues/796"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/references/3
{"tags":["exploit","issue-tracking"],"url":"https://github.com/free5gc/free5gc/issues/796#issue-3812169865"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/references/4
{"name":"VDB-346113 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"],"url":"https://vuldb.com/?ctiid.346113"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/references/1
{"name":"VDB-346113 | Free5GC PFCP UDP Endpoint denial of service","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/?id.346113"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /containers/cna/references/0
{"name":"Submit #739509 | free5gc UPF v4.1.0 Denial of Service","tags":["third-party-advisory"],"url":"https://vuldb.com/?submit.739509"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8d434c1e485e048fb57f31e4b33b701a53903a88e51163971eda8c81bb275c07 · sha256:51ed263117f595b3… · /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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