{"id":"CVE-2026-54659","state":"PUBLISHED","title":"Pagy I18n locale option is not validated before being used in a file path","description":"Pagy is agnostic pagination in plain Ruby. From 43.0.0 until 43.5.6, Pagy::I18n.locale= in gem/lib/pagy/modules/i18n/i18n.rb stored locale values verbatim and later used them as <locale>.yml path components, allowing untrusted params[:locale] values with absolute paths or ../ sequences to create a file existence and readability oracle for YAML files. This issue is fixed in version 43.5.6.","publishedAt":"2026-07-28T22:25:35.231Z","updatedAt":"2026-07-29T13:06:59.870Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["ddnexus pagy"],"affected":[{"vendor":"ddnexus","product":"pagy","versions":[{"version":">= 43.0.0, < 43.5.6","status":"affected"}]}],"references":["https://github.com/ddnexus/pagy/security/advisories/GHSA-2xmw-f8j8-wfxc","https://github.com/ddnexus/pagy/pull/908","https://github.com/ddnexus/pagy/commit/efcf09690e9fa7d7abdfb987b785a55f87e287df","https://github.com/ddnexus/pagy/releases/tag/43.5.6"],"weaknesses":["CWE-22","CWE-200"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54659.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54659","state":"PUBLISHED","datePublished":"2026-07-28T22:25:35.231Z","dateUpdated":"2026-07-29T13:06:59.870Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T20:16:46.199Z"},"containers":{"cna":{"title":"Pagy I18n locale option is not validated before being used in a file path","descriptions":[{"lang":"en","value":"Pagy is agnostic pagination in plain Ruby. From 43.0.0 until 43.5.6, Pagy::I18n.locale= in gem/lib/pagy/modules/i18n/i18n.rb stored locale values verbatim and later used them as <locale>.yml path components, allowing untrusted params[:locale] values with absolute paths or ../ sequences to create a file existence and readability oracle for YAML files. This issue is fixed in version 43.5.6."}],"affected":[{"vendor":"ddnexus","product":"pagy","versions":[{"version":">= 43.0.0, < 43.5.6","status":"affected"}]}],"references":[{"url":"https://github.com/ddnexus/pagy/security/advisories/GHSA-2xmw-f8j8-wfxc","name":"https://github.com/ddnexus/pagy/security/advisories/GHSA-2xmw-f8j8-wfxc","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/ddnexus/pagy/pull/908","name":"https://github.com/ddnexus/pagy/pull/908","tags":["x_refsource_MISC"]},{"url":"https://github.com/ddnexus/pagy/commit/efcf09690e9fa7d7abdfb987b785a55f87e287df","name":"https://github.com/ddnexus/pagy/commit/efcf09690e9fa7d7abdfb987b785a55f87e287df","tags":["x_refsource_MISC"]},{"url":"https://github.com/ddnexus/pagy/releases/tag/43.5.6","name":"https://github.com/ddnexus/pagy/releases/tag/43.5.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","lang":"en","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-28T22:25:35.231Z"},"source":{"advisory":"GHSA-2xmw-f8j8-wfxc","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/ddnexus/pagy/security/advisories/GHSA-2xmw-f8j8-wfxc","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-29T13:06:55.587193Z","id":"CVE-2026-54659","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-29T13:06:59.870Z"}}]}}}