{"id":"CVE-2026-42175","state":"PUBLISHED","title":"requests-hardened: Server-Side Request Forgery (SSRF) in requests-hardened  RFC 6598","description":"requests-hardened is a library that overrides the default behaviors of the requests library, and adds new security features. Prior to , the SSRF protection in requests-hardened fails to block IP addresses within the RFC 6598 Shared Address Space (100.64.0.0/10). An attacker who can supply arbitrary URLs to requests-hardened could exploit this gap to access internal services hosted within 100.64.0.0/10. This is for example relevant in environments such as AWS EKS where 100.64.0.0/10 is commonly used as the default pod CIDR. The impact is environment-dependent, deployments that utilize the affected CIDR range for internal networking are exposed to SSRF bypass, while others may not be affected. This vulnerability is fixed in .","publishedAt":"2026-05-12T17:52:09.138Z","updatedAt":"2026-05-13T15:37:51.415Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["saleor requests-hardened"],"affected":[{"vendor":"saleor","product":"requests-hardened","versions":[{"version":"< 1.2.1","status":"affected"}]}],"references":["https://github.com/saleor/requests-hardened/security/advisories/GHSA-vh75-fwv3-pqrh","https://github.com/saleor/requests-hardened/commit/a266b3958bb142bca515b3c230fdea19fbda327c","https://github.com/saleor/requests-hardened/commit/b7403f88d3b3689e57435b75b51691a160aaeef5","https://github.com/saleor/requests-hardened/releases/tag/v1.2.1"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42175.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42175","state":"PUBLISHED","datePublished":"2026-05-12T17:52:09.138Z","dateUpdated":"2026-05-13T15:37:51.415Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-25T01:53:21.582Z"},"containers":{"cna":{"title":"requests-hardened: Server-Side Request Forgery (SSRF) in requests-hardened  RFC 6598","descriptions":[{"lang":"en","value":"requests-hardened is a library that overrides the default behaviors of the requests library, and adds new security features. Prior to , the SSRF protection in requests-hardened fails to block IP addresses within the RFC 6598 Shared Address Space (100.64.0.0/10). An attacker who can supply arbitrary URLs to requests-hardened could exploit this gap to access internal services hosted within 100.64.0.0/10. This is for example relevant in environments such as AWS EKS where 100.64.0.0/10 is commonly used as the default pod CIDR. The impact is environment-dependent, deployments that utilize the affected CIDR range for internal networking are exposed to SSRF bypass, while others may not be affected. This vulnerability is fixed in ."}],"affected":[{"vendor":"saleor","product":"requests-hardened","versions":[{"version":"< 1.2.1","status":"affected"}]}],"references":[{"url":"https://github.com/saleor/requests-hardened/security/advisories/GHSA-vh75-fwv3-pqrh","name":"https://github.com/saleor/requests-hardened/security/advisories/GHSA-vh75-fwv3-pqrh","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/saleor/requests-hardened/commit/a266b3958bb142bca515b3c230fdea19fbda327c","name":"https://github.com/saleor/requests-hardened/commit/a266b3958bb142bca515b3c230fdea19fbda327c","tags":["x_refsource_MISC"]},{"url":"https://github.com/saleor/requests-hardened/commit/b7403f88d3b3689e57435b75b51691a160aaeef5","name":"https://github.com/saleor/requests-hardened/commit/b7403f88d3b3689e57435b75b51691a160aaeef5","tags":["x_refsource_MISC"]},{"url":"https://github.com/saleor/requests-hardened/releases/tag/v1.2.1","name":"https://github.com/saleor/requests-hardened/releases/tag/v1.2.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-12T17:52:09.138Z"},"source":{"advisory":"GHSA-vh75-fwv3-pqrh","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T14:55:56.342759Z","id":"CVE-2026-42175","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T15:37:51.415Z"}}]}}}