{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/redshift-connector/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":9.8,"id":"CVE-2026-8838"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["redshift-connector"],"_cs_severities":["critical"],"_cs_tags":["rce","redshift","python","injection"],"_cs_type":"advisory","_cs_vendors":["Amazon"],"content_html":"\u003cp\u003eThe amazon-redshift-python-driver, the official Python connector for Amazon Redshift, is susceptible to a critical vulnerability (CVE-2026-8838) stemming from inadequate input validation. Specifically, versions 2.1.13 and earlier fail to properly validate data received from the server during query result processing. This flaw allows a malicious actor operating a rogue server or positioned as a man-in-the-middle to inject arbitrary code into the client process. Successful exploitation leads to arbitrary code execution within the client application\u0026rsquo;s security context. Amazon Redshift addressed this vulnerability in version 2.1.14. It is strongly recommended to upgrade immediately and ensure that any forked or derived codebases are also patched.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker sets up a rogue PostgreSQL server or intercepts traffic to an existing Redshift server (Man-in-the-Middle).\u003c/li\u003e\n\u003cli\u003eVictim\u0026rsquo;s client application, using amazon-redshift-python-driver \u0026lt;= 2.1.13, initiates a connection to the attacker-controlled server.\u003c/li\u003e\n\u003cli\u003eThe attacker\u0026rsquo;s server responds with a specially crafted query response.\u003c/li\u003e\n\u003cli\u003eThe vulnerable driver processes this response without proper validation, specifically when using the \u003ccode\u003eeval()\u003c/code\u003e function on unvalidated server data.\u003c/li\u003e\n\u003cli\u003eThe injected code is executed within the context of the \u003ccode\u003eeval()\u003c/code\u003e function call inside the driver\u0026rsquo;s code.\u003c/li\u003e\n\u003cli\u003eThe attacker gains arbitrary code execution on the client machine, potentially escalating privileges if the client application has elevated permissions.\u003c/li\u003e\n\u003cli\u003eAttacker leverages code execution to perform malicious actions such as command execution, file system access, or credential theft.\u003c/li\u003e\n\u003cli\u003eThe attacker can then use stolen credentials to gain further access to the victim\u0026rsquo;s environment or exfiltrate sensitive data.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-8838 can lead to complete compromise of the client machine running the vulnerable amazon-redshift-python-driver. The attacker could gain access to sensitive data, including Redshift credentials, and execute arbitrary commands. The number of potential victims is dependent on the number of client applications utilizing the vulnerable driver version. Industries relying heavily on data warehousing and analytics, such as finance, healthcare, and e-commerce, are particularly at risk. If the attack succeeds, attackers can steal sensitive business data, disrupt operations, and cause significant financial and reputational damage.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade the amazon-redshift-python-driver to version 2.1.14 or later to remediate CVE-2026-8838.\u003c/li\u003e\n\u003cli\u003eDeploy the Sigma rule \u0026ldquo;Detect Suspicious Redshift Connection via Unrecognized Client Drivers\u0026rdquo; to identify potentially vulnerable client connections based on user-agent strings in network connections.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for connections to unusual or untrusted PostgreSQL servers, as this is the initial stage of the attack chain.\u003c/li\u003e\n\u003cli\u003eImplement strong input validation and sanitization measures in applications that process data received from Redshift to prevent future eval() injection vulnerabilities.\u003c/li\u003e\n\u003cli\u003eBlock connections to known malicious IP addresses related to past PostgreSQL attacks using IOCs from external threat feeds.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-29T19:33:17Z","date_published":"2026-05-29T19:33:17Z","id":"https://feed.craftedsignal.io/briefs/2026-05-redshift-rce/","summary":"The amazon-redshift-python-driver versions 2.1.13 and earlier is vulnerable to remote code execution (CVE-2026-8838) due to insufficient validation of server data during query result processing, potentially allowing a rogue server or man-in-the-middle to execute arbitrary code on the client.","title":"Amazon Redshift Python Driver Remote Code Execution via eval() Injection (CVE-2026-8838)","url":"https://feed.craftedsignal.io/briefs/2026-05-redshift-rce/"}],"language":"en","title":"CraftedSignal Threat Feed — Redshift-Connector","version":"https://jsonfeed.org/version/1.1"}