{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/cve-2026-5632/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-5632"}],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["CVE-2026-5632","authentication-bypass","web-application"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eA critical authentication bypass vulnerability, CVE-2026-5632, has been identified in assafelovic\u0026rsquo;s gpt-researcher up to version 3.4.3. The vulnerability resides within the HTTP REST API Endpoint component. A remote attacker can exploit this flaw by manipulating requests, effectively bypassing authentication mechanisms. This issue allows unauthorized access to functionalities that should be protected. A proof-of-concept exploit is publicly available, increasing the risk of exploitation. Despite being reported through issue #1695, the project maintainers have not yet provided a patch or mitigation. The vulnerability poses a significant threat to systems running affected versions of gpt-researcher, potentially leading to data breaches, unauthorized modifications, or denial of service.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable gpt-researcher instance running version 3.4.3 or earlier.\u003c/li\u003e\n\u003cli\u003eAttacker crafts a malicious HTTP request targeting the vulnerable HTTP REST API Endpoint.\u003c/li\u003e\n\u003cli\u003eThe crafted request manipulates authentication parameters, exploiting the authentication bypass vulnerability (CVE-2026-5632).\u003c/li\u003e\n\u003cli\u003eThe application fails to properly validate the request due to the missing authentication check.\u003c/li\u003e\n\u003cli\u003eThe attacker gains unauthorized access to restricted functionalities and data.\u003c/li\u003e\n\u003cli\u003eAttacker performs unauthorized actions, such as retrieving sensitive information, modifying data, or executing arbitrary commands.\u003c/li\u003e\n\u003cli\u003eThe attacker may escalate privileges within the application to further compromise the system.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-5632 allows an unauthenticated attacker to perform actions as if they were a legitimate user. The impact includes unauthorized access to sensitive data, modification of system settings, or even complete system compromise. Given the nature of gpt-researcher, this could lead to the exposure of research data, API keys, or other confidential information. As a publicly known exploit exists, the risk is elevated for deployments that have not yet been patched or mitigated.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eApply any available patches or updates for assafelovic gpt-researcher to address CVE-2026-5632.\u003c/li\u003e\n\u003cli\u003eIf a patch is not yet available, implement temporary mitigations such as access control restrictions or input validation on the HTTP REST API Endpoint.\u003c/li\u003e\n\u003cli\u003eMonitor web server logs for suspicious activity targeting the HTTP REST API Endpoint to identify potential exploitation attempts; deploy the Sigma rule \u0026ldquo;Detect GPT Researcher Authentication Bypass Attempt\u0026rdquo; to identify potential exploitation attempts.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to limit the potential impact of a successful exploit.\u003c/li\u003e\n\u003cli\u003eReview and harden authentication and authorization mechanisms within the gpt-researcher application.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-04-06T07:16:02Z","date_published":"2026-04-06T07:16:02Z","id":"/briefs/2026-04-gpt-researcher-auth-bypass/","summary":"CVE-2026-5632 is an authentication bypass vulnerability in assafelovic gpt-researcher up to version 3.4.3, affecting the HTTP REST API Endpoint and allowing remote attackers to perform actions without proper authorization.","title":"GPT Researcher Authentication Bypass Vulnerability (CVE-2026-5632)","url":"https://feed.craftedsignal.io/briefs/2026-04-gpt-researcher-auth-bypass/"}],"language":"en","title":"CraftedSignal Threat Feed — CVE-2026-5632","version":"https://jsonfeed.org/version/1.1"}