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CVE-2026-47123

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.220, the email processing pipeline in FreeScout's FetchEmails command has two code paths for identifying agent (user) replies based on In-Reply-To / References headers. The notification reply path (notify-{thread_id}-{user_id}-...) extracts thread_id and user_id directly from the Message-ID without HMAC verification. An external attacker who can spoof the From address of a helpdesk agent can inject me
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:198f415c8d437178425e9f7a56a5d6a35f5a2074d89dd933540b7161403f9db4
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"freescout","vendor":"freescout-help-desk","versions":[{"status":"affected","version":"< 1.8.220"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-290","description":"CWE-290: Authentication Bypass by Spoofing","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/freescout-help-desk/freescout/commit/d902f19038213c6a376947d269b00440908e88a0","tags":["x_refsource_MISC"],"url":"https://github.com/freescout-help-desk/freescout/commit/d902f19038213c6a376947d269b00440908e88a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/references/1
{"name":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6r38-6mcf-2ww3","tags":["x_refsource_CONFIRM"],"url":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-6r38-6mcf-2ww3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://vincent.vulcoord.net/score/?state=Not+Scored&year=2026&year=2025&assigned_to=a165dae3-480e-4f7d-bbb8-9b1d78115b69&cve=CVE-2026-47123&analyze=1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e3c1ad75f153073730c0ada311e02b303aef28e8bf7461c876377032a4c0c205 · sha256:9ae8a9a392e98953… · /containers/adp/0/references/0

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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