{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54366 exists.","fix":"No fix has been published for CVE-2025-54366 yet. Limit exposure of the affected software until one is available.","what":"CVE-2025-54366 is a high-severity unsafe deserialization vulnerability in freescout-help-desk freescout, published on 26 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2025-54366 and fix it if it is affected.\n\nWhat it is: CVE-2025-54366 is a high-severity unsafe deserialization vulnerability in freescout-help-desk freescout, published on 26 Jul 2025. An attacker needs administrator access to exploit it, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-54366 exists.\n\nAffected product: freescout-help-desk freescout. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2025-54366/ (Markdown: https://insights.sbomify.com/CVE-2025-54366/index.md)","id":"CVE-2025-54366","markdown":"https://insights.sbomify.com/CVE-2025-54366/index.md","name":"CVE-2025-54366","record":{"aliases":["GHSA-vcc2-6r66-gvvj"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"FreeScout help desk","requires_auth":"high_privilege","summary":"Authenticated attackers with APP_KEY can achieve remote code execution via unsafe deserialization in FreeScout help desk.","user_interaction":"not_required","vuln_class":"deserialization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"freescout","vendor":"freescout"}],"cvss":{"score":8.6,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"description":"FreeScout is a lightweight free open source help desk and shared inbox built with PHP (Laravel framework). In versions 1.8.185 and below, there is a critical deserialization vulnerability in the /conversation/ajax endpoint that allows authenticated users with knowledge of the APP_KEY to achieve remote code execution. The vulnerability occurs when the application processes the attachments_all and attachments POST parameters through the insecure Helper::decrypt() function, which performs unsafe deserialization of user-controlled data without proper validation. This flaw enables attackers to create arbitrary objects and manipulate their properties, leading to complete compromise of the web application. This is fixed in version 1.8.186.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"FreeScout's deserialization of untrusted data leads to Remote Code Execution","id":"CVE-2025-54366","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"deserialization","year":"2025"},"n_packages":0,"n_references":2,"next":{"headline":"uv is vulnerable to ZIP payload obfuscation through parsing differentials","id":"CVE-2025-54368"},"packages":[],"prev":{"headline":"fastapi-guard patch contains bypassable RegEx","id":"CVE-2025-54365"},"products":["freescout"],"published":"2025-07-26","related":[{"cvss_score":10,"headline":"FreeScout 1.8.206 Patch Bypass for CVE-2026-27636 via Zero-Width Space Character Leads to Remote Code Execution","id":"CVE-2026-28289","kev_date_added":null,"published":"2026-03-03"},{"cvss_score":9.8,"headline":"FreeScout's Predictable Authentication Token Enables Account Takeover","id":"CVE-2026-27637","kev_date_added":null,"published":"2026-02-25"},{"cvss_score":9.3,"headline":"FreeScout: Stored XSS via Unescaped Email Template Rendering ({!! $thread-\u003ebody !!})","id":"CVE-2026-32754","kev_date_added":null,"published":"2026-03-19"},{"cvss_score":9.1,"headline":"FreeScout OS Command Injection vulnerability","id":"CVE-2024-29185","kev_date_added":null,"published":"2024-03-22"},{"cvss_score":8.9,"headline":"FreeScout has Authentication Bypass and Information Disclosure in SystemController via /system/cron","id":"CVE-2026-40498","kev_date_added":null,"published":"2026-04-21"},{"cvss_score":8.8,"headline":"FreeScout has Predictable Attachment Token that Allows Unauthenticated Private File Download via Brute Force","id":"CVE-2026-40496","kev_date_added":null,"published":"2026-04-21"},{"cvss_score":8.8,"headline":"FreeScout: Missing .htaccess in Restricted File Extensions Allows Remote Code Execution on Apache","id":"CVE-2026-27636","kev_date_added":null,"published":"2026-02-25"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-07-28","vendors":["freescout-help-desk"]},"summary":"Authenticated attackers with APP_KEY can achieve remote code execution via unsafe deserialization in FreeScout help desk.","url":"https://insights.sbomify.com/CVE-2025-54366/"}