{"answers":{"affected":"10 open source packages ship an affected version, including cakephp/cakephp.","exploited":"There is no known exploitation of CVE-2026-77634 in the wild and no public exploit code.","fix":"Upgrade cakephp/cakephp to a fixed version for your release line: 4.5.12, 4.6.5, 5.1.9 or 5.2.14.","what":"CVE-2026-77634 is a high-severity vulnerability in cakephp, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-77634 and fix it if it is affected.\n\nWhat it is: CVE-2026-77634 is a high-severity vulnerability in cakephp, published on 24 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-77634 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- cakephp/cakephp (Packagist): affected from 4.5.0; fixed in 4.5.12\n- cakephp/cakephp (Packagist): affected from 4.5.0; fixed in 4.5.12\n- cakephp/cakephp (Packagist): affected from 4.6.0; fixed in 4.6.5\n- cakephp/cakephp (Packagist): affected from 4.6.0; fixed in 4.6.5\n- cakephp/cakephp (Packagist): affected from 5.0.0; fixed in 5.1.9\n- cakephp/cakephp (Packagist): affected from 5.0.0; fixed in 5.1.9\n- cakephp/cakephp (Packagist): affected from 5.2.0; fixed in 5.2.14\n- cakephp/cakephp (Packagist): affected from 5.2.0; fixed in 5.2.14\n- cakephp/cakephp (Packagist): affected from 5.3.0; fixed in 5.3.7\n- cakephp/cakephp (Packagist): affected from 5.3.0; fixed in 5.3.7\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-2026-77634/ (Markdown: https://insights.sbomify.com/CVE-2026-77634/index.md)","id":"CVE-2026-77634","markdown":"https://insights.sbomify.com/CVE-2026-77634/index.md","name":"CVE-2026-77634","record":{"aliases":["CLSA-2026-1789384929","DEBIAN-CVE-2026-77634","GHSA-2qh5-382h-3jpc","UBUNTU-CVE-2026-77634"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["data_modify","security_bypass"],"network_reachable":"yes","non_default_config":false,"product_category":"PHP web framework","requires_auth":"none","summary":"Attackers can inject CRLF characters into email headers via user-controlled data, potentially altering message structure or bypassing security checks.","user_interaction":"not_required","vuln_class":"other"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":8.2,"severity":"high","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-93","name":"Improper Neutralization of CRLF Sequences"}],"description":"CakePHP is a rapid development framework for PHP. Prior to versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7 on their respective release lines, custom mail headers added with Message::setHeaders() or Message::addHeaders() do not have CRLF bytes removed, allowing header injection when user-controlled data is used in message headers. This issue is fixed in versions 4.5.12, 4.6.5, 5.1.8, 5.2.14, and 5.3.7.","ecosystems":["Packagist"],"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":"CakePHP: SmtpTransport vulnerable to CRLF header injection","id":"CVE-2026-77634","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Packagist","product":null,"products":[],"type":"other","year":"2026"},"n_packages":10,"n_references":5,"next":{"headline":"CakePHP: FunctionsBuilder::jsonValue() vulerable to SQL injection with PostgresDriver","id":"CVE-2026-77635"},"packages":[{"ecosystem":"Packagist","fixed":["4.5.12"],"introduced":["4.5.0"],"last_affected":[],"package":"cakephp/cakephp","purl":null,"source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["4.5.12"],"introduced":["4.5.0"],"last_affected":[],"package":"cakephp/cakephp","purl":"pkg:composer/cakephp/cakephp","source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["4.6.5"],"introduced":["4.6.0"],"last_affected":[],"package":"cakephp/cakephp","purl":null,"source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["4.6.5"],"introduced":["4.6.0"],"last_affected":[],"package":"cakephp/cakephp","purl":"pkg:composer/cakephp/cakephp","source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.1.9"],"introduced":["5.0.0"],"last_affected":[],"package":"cakephp/cakephp","purl":null,"source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.1.9"],"introduced":["5.0.0"],"last_affected":[],"package":"cakephp/cakephp","purl":"pkg:composer/cakephp/cakephp","source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.2.14"],"introduced":["5.2.0"],"last_affected":[],"package":"cakephp/cakephp","purl":null,"source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.2.14"],"introduced":["5.2.0"],"last_affected":[],"package":"cakephp/cakephp","purl":"pkg:composer/cakephp/cakephp","source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.3.7"],"introduced":["5.3.0"],"last_affected":[],"package":"cakephp/cakephp","purl":null,"source":"GHSA-2qh5-382h-3jpc"},{"ecosystem":"Packagist","fixed":["5.3.7"],"introduced":["5.3.0"],"last_affected":[],"package":"cakephp/cakephp","purl":"pkg:composer/cakephp/cakephp","source":"GHSA-2qh5-382h-3jpc"}],"prev":{"headline":"Cloudreve: Storage-quota TOCTOU race allows quota bypass and storage-based denial of service","id":"CVE-2026-77633"},"products":["cakephp"],"published":"2026-08-24","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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-08-25","vendors":["cakephp"]},"summary":"Attackers can inject CRLF characters into email headers via user-controlled data, potentially altering message structure or bypassing security checks.","url":"https://insights.sbomify.com/CVE-2026-77634/"}