{"answers":{"affected":"2 open source packages ship an affected version, including astro.","exploited":"There is no known exploitation of CVE-2026-73423 in the wild and no public exploit code.","fix":"Upgrade astro to 7.0.6 or later.","what":"CVE-2026-73423 is a medium-severity vulnerability in withastro astro, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link."},"fix_prompt":"Check this codebase for CVE-2026-73423 and fix it if it is affected.\n\nWhat it is: CVE-2026-73423 is a medium-severity vulnerability in withastro astro, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.\nExploitation: There is no known exploitation of CVE-2026-73423 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- astro (npm): affected from 7.0.0; fixed in 7.0.6\n- astro (npm): affected from 7.0.0; fixed in 7.0.6\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-2026-73423/ (Markdown: https://insights.sbomify.com/CVE-2026-73423/index.md)","id":"CVE-2026-73423","markdown":"https://insights.sbomify.com/CVE-2026-73423/index.md","name":"CVE-2026-73423","record":{"aliases":["GHSA-8mv7-9c27-98vc"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_modify"],"network_reachable":"yes","non_default_config":true,"product_category":"Astro web framework","requires_auth":"none","summary":"Attackers can perform cross-site request forgery against Astro actions and pages if the security middleware is misordered or omitted, allowing state-changing requests.","user_interaction":"required","vuln_class":"csrf"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":5.1,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N","version":"4.0"},"cwes":[{"id":"CWE-352","name":"Cross-Site Request Forgery"}],"description":"Astro is a web framework for content-driven websites. From 7.0.0 until 7.0.6, the composable astro/hono pipeline installs security.checkOrigin only through the middleware() primitive, while actions() and pages() can dispatch to user code independently. Mounting actions() before middleware(), as in the examples/advanced-routing example and Cloudflare Hono documentation, allows cross-origin form-encoded action requests to execute before the origin check, and using pages() without middleware() drops the check for on-demand endpoints and pages. The flaw enables blind write-only cross-site request forgery using the victim's cookies against ActionHandler.handle and PagesHandler.handleWithErrorFallback when manifest.checkOrigin is enabled; the attacker can trigger a state-mutating action or endpoint handler but cannot read the cross-origin response. The default non-composable astro() pipeline is not affected. This issue is fixed in version 7.0.6.","ecosystems":["npm"],"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":"Astro: composable `astro/hono` pipeline bypasses `security.checkOrigin` when `middleware()` is absent or misordered","id":"CVE-2026-73423","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"npm","product":null,"products":[],"type":"csrf","year":"2026"},"n_packages":2,"n_references":4,"next":{"headline":"Astro: Unauthenticated path override in the @astrojs/vercel ISR function","id":"CVE-2026-73424"},"packages":[{"ecosystem":"npm","fixed":["7.0.6"],"introduced":["7.0.0"],"last_affected":[],"package":"astro","purl":null,"source":"GHSA-8mv7-9c27-98vc"},{"ecosystem":"npm","fixed":["7.0.6"],"introduced":["7.0.0"],"last_affected":[],"package":"astro","purl":"pkg:npm/astro","source":"GHSA-8mv7-9c27-98vc"}],"prev":{"headline":"Astro: Reflected XSS via unescaped View Transition animation properties","id":"CVE-2026-73422"},"products":["astro"],"published":"2026-08-12","related":[],"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":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-13","vendors":["withastro"]},"summary":"Attackers can perform cross-site request forgery against Astro actions and pages if the security middleware is misordered or omitted, allowing state-changing requests.","url":"https://insights.sbomify.com/CVE-2026-73423/"}