{"answers":{"affected":"10 open source packages ship an affected version, including github.com/coder/coder/v2 and github.com/coder/coder. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-55429 in the wild and no public exploit code.","fix":"Upgrade github.com/coder/coder/v2 to a fixed version for your release line: 2.29.17, 2.32.7, 2.33.8 or 2.34.2.","what":"CVE-2026-55429 is a high-severity missing authorization vulnerability in coder, published on 8 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-55429 and fix it if it is affected.\n\nWhat it is: CVE-2026-55429 is a high-severity missing authorization vulnerability in coder, published on 8 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-55429 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/coder/coder/v2 (Go): affected all versions; fixed in 2.29.17, 2.32.7, 2.33.8, 2.34.2\n- github.com/coder/coder/v2 (Go): affected all versions; fixed in 2.29.17\n- github.com/coder/coder/v2 (Go): affected all versions; fixed in 2.29.17\n- github.com/coder/coder/v2 (Go): affected from 2.30.0; fixed in 2.32.7\n- github.com/coder/coder/v2 (Go): affected from 2.30.0; fixed in 2.32.7\n- github.com/coder/coder/v2 (Go): affected from 2.33.0; fixed in 2.33.8\n- github.com/coder/coder/v2 (Go): affected from 2.33.0; fixed in 2.33.8\n- github.com/coder/coder/v2 (Go): affected from 2.34.0; fixed in 2.34.2\n- github.com/coder/coder/v2 (Go): affected from 2.34.0; fixed in 2.34.2\n- github.com/coder/coder (Go): affected all versions; no fix listed\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-2026-55429/ (Markdown: https://insights.sbomify.com/CVE-2026-55429/index.md)","id":"CVE-2026-55429","markdown":"https://insights.sbomify.com/CVE-2026-55429/index.md","name":"CVE-2026-55429","record":{"aliases":["GHSA-9rjw-3gwp-f59v","GO-2026-5909"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["privilege_escalation","data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Coder remote dev environment","requires_auth":"high_privilege","summary":"Attackers with template author or provisioner access can rebind agents across workspaces by manipulating app IDs, bypassing authorization checks.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[{"product":"coder","vendor":"coder"}],"cvss":{"score":8.7,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"cwes":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key"}],"description":"Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, `UpsertWorkspaceApp` overwrites an existing app's `agent_id` on a primary-key conflict and `insertAgentApp` accepts the app ID from the provisioner's `CompleteJob` payload without verifying it belongs to the workspace being built. `CompleteJob` runs under `dbauthz.AsProvisionerd` so the authorization layer does not block the cross-workspace upsert. Exploitation requires elevated access as a template author or external provisioner operator. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 verifies that any existing `workspace_apps` row matching the supplied ID belongs to the workspace being built and rejects cross-workspace agent reassignment. No known workarounds are available.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Coder's workspace app upsert allows cross-workspace agent rebinding via user-controlled app ID","id":"CVE-2026-55429","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":10,"n_references":6,"next":{"headline":"Coder's subdomain workspace app routing trusts unauthenticated X-Forwarded-Host header, enabling cross-app data access","id":"CVE-2026-55430"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/coder/coder","purl":"pkg:golang/github.com/coder/coder","source":"GO-2026-5909"},{"ecosystem":"Go","fixed":["2.29.17","2.32.7","2.33.8","2.34.2"],"introduced":["0","2.30.0","2.33.0","2.34.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","source":"GO-2026-5909"},{"ecosystem":"Go","fixed":["2.29.17"],"introduced":["0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":null,"source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.29.17"],"introduced":["0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.32.7"],"introduced":["2.30.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":null,"source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.32.7"],"introduced":["2.30.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.33.8"],"introduced":["2.33.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":null,"source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.33.8"],"introduced":["2.33.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.34.2"],"introduced":["2.34.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":null,"source":"GHSA-9rjw-3gwp-f59v"},{"ecosystem":"Go","fixed":["2.34.2"],"introduced":["2.34.0"],"last_affected":[],"package":"github.com/coder/coder/v2","purl":"pkg:golang/github.com/coder/coder/v2","source":"GHSA-9rjw-3gwp-f59v"}],"prev":{"headline":"Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator","id":"CVE-2026-55428"},"products":["coder"],"published":"2026-07-08","related":[{"cvss_score":9.1,"headline":"Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft","id":"CVE-2026-46354","kev_date_added":null,"published":"2026-07-07"},{"cvss_score":8.3,"headline":"Coder vulnerable to SSH config injection via unsanitized server-supplied values in `coder config-ssh`","id":"CVE-2026-55427","kev_date_added":null,"published":"2026-07-07"},{"cvss_score":8.2,"headline":"Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator","id":"CVE-2026-55428","kev_date_added":null,"published":"2026-07-07"},{"cvss_score":8.2,"headline":"Coder's OIDC authentication allows email with partially matching domain to register","id":"CVE-2024-27918","kev_date_added":null,"published":"2024-03-06"},{"cvss_score":8.1,"headline":"Coder vulnerable to workspace auto-creation via crafted URL parameters without user consent","id":"CVE-2026-44454","kev_date_added":null,"published":"2026-07-07"},{"cvss_score":8.1,"headline":"Coder's privilege escalation vulnerability could lead to a cross workspace compromise","id":"CVE-2025-58437","kev_date_added":null,"published":"2025-09-06"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"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":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-07-08","vendors":["coder"]},"summary":"Attackers with template author or provisioner access can rebind agents across workspaces by manipulating app IDs, bypassing authorization checks.","url":"https://insights.sbomify.com/CVE-2026-55429/"}