CVE Explorer

CVE-2026-35584

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.212, the endpoint GET /thread/read/{conversation_id}/{thread_id} does not require authentication and does not validate whether the given thread_id belongs to the given conversation_id. This allows any unauthenticated attacker to mark any thread as read by passing arbitrary IDs, enumerate valid thread IDs via HTTP response codes (200 vs 404), and manipulate opened_at timestamps across conversations (ID

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e291a61614a97d715b94b341e87bfa3ce574722c3fd3c00cd1d1a22963b63b30

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"product":"freescout","vendor":"freescout-help-desk","versions":[{"status":"affected","version":"< 1.8.212"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-873c-r7v5-g98v"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/adp/0/references/0

{"name":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-873c-r7v5-g98v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/freescout-help-desk/freescout/security/advisories/GHSA-873c-r7v5-g98v"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:bc2a93a68bde7a2b35f7c1ccfca6f411e630fd77eb74f0a4407a79df882493c3 · sha256:2ab766f8f25357e1… · /containers/cna/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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