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CVE-2026-6601

A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5b82f69aec16c36248c7e48836317c36d20a5cd9184a37afe566292ef43f2b0e
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/3/cvssV2_0
cwe · 2 assertions

{"cweId":"CWE-400","description":"Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-404","description":"Denial of Service","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"modules":["Datatables"],"product":"WHMCS Template","vendor":"Lagom","versions":[{"status":"affected","version":"2.4.0"},{"status":"affected","version":"2.4.1"},{"status":"affected","version":"2.4.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":4,"vectorString":"AV:N/AC:L/Au:S/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:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/metrics/3/cvssV2_0

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-404","description":"Denial of Service","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"tags":["exploit"],"url":"https://github.com/devsamuelsantiago/lagom-whmcs-dos-poc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/references/3
{"name":"Submit #791943 | Lagom WHMCS Template ≤ 2.4.2 Denial of Service","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/791943"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/references/2
{"name":"VDB-358236 | Lagom WHMCS Template Datatables resource consumption","tags":["vdb-entry"],"url":"https://vuldb.com/vuln/358236"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/references/0
{"name":"VDB-358236 | CTI Indicators (IOB, IOC, TTP)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/358236/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a1a65f41e34da88d8c22716a02ea3381fba4537724b0d8cd8821e8f74c2e87f · sha256:9a5fa9a5d8d19c96… · /containers/cna/references/1

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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