--- title: "CVE-2026-63443: Coder - Broken Access Control" description: "Coder < 2.29.19, 2.32.9, 2.33.10, and 2.34.4 contains a broken access control caused by improper handling of HTTP redirects in agentConn.apiClient(), letting authenticated users redirect requests to other agents to read/write files and execute commands across workspace boundaries, exploit requires authenticated user controlling a modified workspace agent and knowledge of victim agent UUID." url: https://panop.io/threat-heartbeat/CVE-2026-63443/ --- # CVE-2026-63443 Coder - Broken Access Control Coder < 2.29.19, 2.32.9, 2.33.10, and 2.34.4 contains a broken access control caused by improper handling of HTTP redirects in agentConn.apiClient(), letting authenticated users redirect requests to other agents to read/write files and execute commands across workspace boundaries, exploit requires authenticated user controlling a modified workspace agent and knowledge of victim agent UUID. CVSS base score 8.3 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.76% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-63443) ## Details Type Broken Access Control Impact File System Read, File System Write, Remote Code Execution, Broken Access Control CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L Published 15 September 2026 Updated 15 October 2026 Weakness [CWE-863](https://cwe.mitre.org/data/definitions/863.html) ## Vendor fix Update to versions 2.29.19, 2.32.9, 2.33.10, or 2.34.4 or later. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-63443](https://nvd.nist.gov/vuln/detail/CVE-2026-63443) - [https://github.com/coder/coder/commit/2312b67bc52c4e314c18c4b4be5dcf5500c94ad7](https://github.com/coder/coder/commit/2312b67bc52c4e314c18c4b4be5dcf5500c94ad7) - [https://github.com/coder/coder/pull/26611](https://github.com/coder/coder/pull/26611) - [https://github.com/coder/coder/releases/tag/v2.29.19](https://github.com/coder/coder/releases/tag/v2.29.19) - [https://github.com/coder/coder/releases/tag/v2.32.9](https://github.com/coder/coder/releases/tag/v2.32.9) - [https://github.com/coder/coder/releases/tag/v2.33.10](https://github.com/coder/coder/releases/tag/v2.33.10) - [https://github.com/coder/coder/commit/ec3ba84c0002f47dd979c073cde1ab345acbaea5](https://github.com/coder/coder/commit/ec3ba84c0002f47dd979c073cde1ab345acbaea5) - [https://github.com/coder/coder/commit/eeb2624549ddb85538e493af3e678fdb185a809f](https://github.com/coder/coder/commit/eeb2624549ddb85538e493af3e678fdb185a809f) - [https://github.com/coder/coder/pull/26600](https://github.com/coder/coder/pull/26600) - [https://github.com/coder/coder/pull/26613](https://github.com/coder/coder/pull/26613) - [https://github.com/coder/coder/pull/26622](https://github.com/coder/coder/pull/26622) - [https://github.com/coder/coder/commit/812549d671d0f5a0b45adcee860d37b70aaddccd](https://github.com/coder/coder/commit/812549d671d0f5a0b45adcee860d37b70aaddccd) - [https://github.com/coder/coder/security/advisories/GHSA-qrwj-vh9x-gw5v](https://github.com/coder/coder/security/advisories/GHSA-qrwj-vh9x-gw5v) - [https://github.com/coder/coder/commit/f8bdec5add4711650d5bfb6ff93d0cc9d7821c81](https://github.com/coder/coder/commit/f8bdec5add4711650d5bfb6ff93d0cc9d7821c81) - [https://github.com/coder/coder/pull/26612](https://github.com/coder/coder/pull/26612) - [https://github.com/coder/coder/releases/tag/v2.34.4](https://github.com/coder/coder/releases/tag/v2.34.4) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)