{"id":"CVE-2026-12530","aliases":["EUVD-2026-37802","GHSA-6rfw-mq36-jm8h","PYSEC-2026-2395"],"status":"published","title":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","description":"Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK versions \u003e= 1.1.3 and \u003c 1.6.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments.\n\n\n\nTo mitigate this issue, users should upgrade to version 1.6.1.","severity":{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00342,"percentile":0.28162,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-88"],"published":"2026-06-17T21:05:00Z","modified":"2026-10-24T13:10:00Z","fixes":[{"ecosystem":"PyPI","package":"bedrock-agentcore","fixed_in":["1.6.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"bedrock-agentcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.3"},{"fixed":"1.6.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"bedrock-agentcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.3"},{"fixed":"1.6.1"}]}],"versions":["1.1.3","1.1.4","1.1.5","1.2.0","1.2.1","1.3.0","1.3.1","1.3.2","1.3.3","1.4.0","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.5.0","1.5.1","1.6.0"]},{"source":"osv","ecosystem":"PyPI","package":"bedrock-agentcore","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.1.3"},{"fixed":"1.6.1"}]}],"versions":["1.1.3","1.1.4","1.1.5","1.2.0","1.2.1","1.3.0","1.3.1","1.3.2","1.3.3","1.4.0","1.4.1","1.4.2","1.4.3","1.4.4","1.4.5","1.4.6","1.4.7","1.4.8","1.5.0","1.5.1","1.6.0"]}],"products":[{"vendor":"aws","product":"bedrock-agentcore"}],"references":[{"url":"https://pypi.org/project/bedrock-agentcore/1.6.1/","tags":["release-notes"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-044-aws/","tags":["vendor-advisory"]},{"url":"https://github.com/aws/bedrock-agentcore-sdk-python/security/advisories/GHSA-6rfw-mq36-jm8h","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-12530","tags":["advisory"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-044-aws","tags":["web"]},{"url":"https://pypi.org/project/bedrock-agentcore/1.6.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6rfw-mq36-jm8h","tags":["advisory"]},{"url":"https://github.com/aws/bedrock-agentcore-sdk-python","tags":["package"]},{"url":"https://pypi.org/project/bedrock-agentcore","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-12530","title":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","description":"Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK versions \u003e= 1.1.3 and \u003c 1.6.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments.\n\n\n\nTo mitigate this issue, users should upgrade to version 1.6.1.","status":"published","published":"2026-06-17T21:05:00.616Z","modified":"2026-07-23T20:28:39.062Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:19:47.998488Z"}],"euvd":[{"id":"EUVD-2026-37802","description":"Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK versions \u003e= 1.1.3 and \u003c 1.6.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments.\n\n\n\nTo mitigate this issue, users should upgrade to version 1.6.1.","status":"published","published":"2026-06-17T21:05:00Z","modified":"2026-07-23T20:28:39Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:19:41.632414Z"}],"ghsa":[{"id":"GHSA-6rfw-mq36-jm8h","title":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","description":"### Summary\nThe AWS Bedrock AgentCore Python SDK (bedrock-agentcore) is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the install_packages() method of the Code Interpreter client where crafted package name arguments can bypass input validation and allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox.\n\n\n### Impact\nThe install_packages() method constructs a 'pip install' shell command executed within the Code Interpreter sandbox using package name arguments provided by the caller. The method applied an incomplete blocklist that allowed crafted package name arguments - specifically pip flags such as '--index-url' and '-r' - to pass validation unchecked. A remote authenticated user who can influence the arguments passed to install_packages() could redirect package resolution to a third-party-controlled PyPI server, or expose the contents of arbitrary sandbox files and environment variables.\n\n**Impacted versions:** AWS Bedrock AgentCore Python SDK (bedrock-agentcore) versions \u003e= 1.1.3 and \u003c 1.6.1\n\n### Patches\nThis issue has been addressed in bedrock-agentcore version 1.6.1. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes. \n\n### Workarounds\nIf you are unable to upgrade immediately, avoid passing any user-supplied or externally-influenced strings directly to install_packages(). Restrict calls to a fixed, hardcoded list of approved package names within your application code.\n\n### References\nIf you have any questions or comments about this advisory, we ask that you contact AWS Security via our [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n\nWe would like to thank Sergio Garcia for collaborating on this issue through the coordinated vulnerability disclosure process.","status":"published","published":"2026-06-19T14:46:33Z","modified":"2026-06-23T19:20:32Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:40:32.744157Z"}],"nvd":[{"id":"CVE-2026-12530","description":"Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK versions \u003e= 1.1.3 and \u003c 1.6.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments.\n\n\n\nTo mitigate this issue, users should upgrade to version 1.6.1.","status":"published","published":"2026-06-17T22:16:20.74Z","modified":"2026-10-24T13:10:00.147Z","cvss":[{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T14:12:24.544761Z"}],"osv":[{"id":"GHSA-6rfw-mq36-jm8h","title":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","description":"### Summary\nThe AWS Bedrock AgentCore Python SDK (bedrock-agentcore) is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the install_packages() method of the Code Interpreter client where crafted package name arguments can bypass input validation and allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox.\n\n\n### Impact\nThe install_packages() method constructs a 'pip install' shell command executed within the Code Interpreter sandbox using package name arguments provided by the caller. The method applied an incomplete blocklist that allowed crafted package name arguments - specifically pip flags such as '--index-url' and '-r' - to pass validation unchecked. A remote authenticated user who can influence the arguments passed to install_packages() could redirect package resolution to a third-party-controlled PyPI server, or expose the contents of arbitrary sandbox files and environment variables.\n\n**Impacted versions:** AWS Bedrock AgentCore Python SDK (bedrock-agentcore) versions \u003e= 1.1.3 and \u003c 1.6.1\n\n### Patches\nThis issue has been addressed in bedrock-agentcore version 1.6.1. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes. \n\n### Workarounds\nIf you are unable to upgrade immediately, avoid passing any user-supplied or externally-influenced strings directly to install_packages(). Restrict calls to a fixed, hardcoded list of approved package names within your application code.\n\n### References\nIf you have any questions or comments about this advisory, we ask that you contact AWS Security via our [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n\nWe would like to thank Sergio Garcia for collaborating on this issue through the coordinated vulnerability disclosure process.","status":"published","published":"2026-06-19T14:46:33Z","modified":"2026-07-13T16:43:19.937397447Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"},{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-88"],"updated_at":"2026-11-02T15:46:39.965326Z"},{"id":"PYSEC-2026-2395","title":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","description":"### Summary\nThe AWS Bedrock AgentCore Python SDK (bedrock-agentcore) is an open-source SDK that enables developers to build, deploy, and manage agents on AWS Bedrock AgentCore. An issue exists in the install_packages() method of the Code Interpreter client where crafted package name arguments can bypass input validation and allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox.\n\n\n### Impact\nThe install_packages() method constructs a 'pip install' shell command executed within the Code Interpreter sandbox using package name arguments provided by the caller. The method applied an incomplete blocklist that allowed crafted package name arguments - specifically pip flags such as '--index-url' and '-r' - to pass validation unchecked. A remote authenticated user who can influence the arguments passed to install_packages() could redirect package resolution to a third-party-controlled PyPI server, or expose the contents of arbitrary sandbox files and environment variables.\n\n**Impacted versions:** AWS Bedrock AgentCore Python SDK (bedrock-agentcore) versions \u003e= 1.1.3 and \u003c 1.6.1\n\n### Patches\nThis issue has been addressed in bedrock-agentcore version 1.6.1. We recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes. \n\n### Workarounds\nIf you are unable to upgrade immediately, avoid passing any user-supplied or externally-influenced strings directly to install_packages(). Restrict calls to a fixed, hardcoded list of approved package names within your application code.\n\n### References\nIf you have any questions or comments about this advisory, we ask that you contact AWS Security via our [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.\n\n\nWe would like to thank Sergio Garcia for collaborating on this issue through the coordinated vulnerability disclosure process.","status":"published","published":"2026-07-13T15:46:21.228207Z","modified":"2026-07-13T16:31:38.512646619Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"},{"version":"4.0","score":8.4,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:52:55.961245Z"}]}}