{"id":"EUVD-2025-205645","revision":null,"records":[{"revision":"7260fd8bd4f840178cccaad17598d91e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-69202","aliases":[],"title":"axios-cache-interceptor Vulnerable to Cache Poisoning via Ignored HTTP Vary Header","description":"Axios Cache Interceptor is a cache interceptor for axios. Prior to version 1.11.1, when a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization bypass. The cache key is generated only from the URL, ignoring request headers like `Authorization`. When the server responds with `Vary: Authorization` (indicating the response varies by auth token), the library ignores this, causing all requests to share the same cache regardless of authorization. Server-side applications (APIs, proxies, backend services) that use axios-cache-interceptor to cache requests to upstream services, handle requests from multiple users with different auth tokens, and upstream services replies on `Vary` to differentiate caches are affected. Browser/client-side applications (single user per browser session) are not affected. Services using different auth tokens to call upstream services will return incorrect cached data, bypassing authorization checks and leaking user data across different authenticated sessions. After `v1.11.1`, automatic `Vary` header support is now enabled by default. When server responds with `Vary: Authorization`, cache keys now include the authorization header value. Each user gets their own cache.","state":0,"publishedAt":"2025-12-29T19:13:27.88+00:00","modifiedAt":"2025-12-30T22:25:39.052+00:00","affected":[{"ecosystem":"Vendor product","name":"axios-cache-interceptor","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"arthurfiorette\",\n                    \"product\": \"axios-cache-interceptor\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.11.1\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":6,"severity":"MEDIUM"}],"references":["https://github.com/arthurfiorette/axios-cache-interceptor/security/advisories/GHSA-x4m5-4cw8-vc44","https://github.com/arthurfiorette/axios-cache-interceptor/commit/49a808059dfc081b9cc23d48f243d55dfce15f01"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-69202","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-69202","identifiers":["CVE-2025-69202"]},"retained":false,"historicalAffected":[]},{"revision":"ac167aea2d6b4d80a3ce9362fe4464d3","observedAt":"2026-11-11T04:36:25.728+00:00","statement":{"source":"euvd","id":"EUVD-2025-205645","aliases":["CVE-2025-69202","GHSA-x4m5-4cw8-vc44"],"title":"Axios Cache Interceptor is a cache interceptor for axios. Prior to version 1.11.1, when a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization byp…","description":"Axios Cache Interceptor is a cache interceptor for axios. Prior to version 1.11.1, when a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization bypass. The cache key is generated only from the URL, ignoring request headers like `Authorization`. When the server responds with `Vary: Authorization` (indicating the response varies by auth token), the library ignores this, causing all requests to share the same cache regardless of authorization. Server-side applications (APIs, proxies, backend services) that use axios-cache-interceptor to cache requests to upstream services, handle requests from multiple users with different auth tokens, and upstream services replies on `Vary` to differentiate caches are affected. Browser/client-side applications (single user per browser session) are not affected. Services using different auth tokens to call upstream services will return incorrect cached data, bypassing authorization checks and leaking user data across different authenticated sessions. After `v1.11.1`, automatic `Vary` header support is now enabled by default. When server responds with `Vary: Authorization`, cache keys now include the authorization header value. Each user gets their own cache.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":6,"severity":null}],"references":["https://github.com/arthurfiorette/axios-cache-interceptor/security/advisories/GHSA-x4m5-4cw8-vc44","https://github.com/arthurfiorette/axios-cache-interceptor/commit/49a808059dfc081b9cc23d48f243d55dfce15f01"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-205645","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Dec 29, 2025, 7:13:27 PM","dateUpdated":"Dec 30, 2025, 10:25:39 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2025-205645","identifiers":["EUVD-2025-205645","CVE-2025-69202","GHSA-x4m5-4cw8-vc44"]},"retained":false,"historicalAffected":[]},{"revision":"54bd2b7858b646f181cf419371126959","observedAt":"2026-10-25T04:17:10.72+00:00","statement":{"source":"nvd","id":"CVE-2025-69202","aliases":[],"title":"Axios Cache Interceptor is a cache interceptor for axios. Prior to version 1.11.1, when a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization byp…","description":"Axios Cache Interceptor is a cache interceptor for axios. Prior to version 1.11.1, when a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization bypass. The cache key is generated only from the URL, ignoring request headers like `Authorization`. When the server responds with `Vary: Authorization` (indicating the response varies by auth token), the library ignores this, causing all requests to share the same cache regardless of authorization. Server-side applications (APIs, proxies, backend services) that use axios-cache-interceptor to cache requests to upstream services, handle requests from multiple users with different auth tokens, and upstream services replies on `Vary` to differentiate caches are affected. Browser/client-side applications (single user per browser session) are not affected. Services using different auth tokens to call upstream services will return incorrect cached data, bypassing authorization checks and leaking user data across different authenticated sessions. After `v1.11.1`, automatic `Vary` header support is now enabled by default. When server responds with `Vary: Authorization`, cache keys now include the authorization header value. 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Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2025-69202","identifiers":["CVE-2025-69202"]},"retained":false,"historicalAffected":[]},{"revision":"5902dfb7fea548139006ebb07e008d96","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-x4m5-4cw8-vc44","aliases":["CVE-2025-69202"],"title":"axios-cache-interceptor Vulnerable to Cache Poisoning via Ignored HTTP Vary Header","description":"## Summary\n\nWhen a server calls an upstream service using different auth tokens, axios-cache-interceptor returns incorrect cached responses, leading to authorization bypass.\n\n## Details\n\nThe cache key is generated only from the URL, ignoring request headers like `Authorization`. When the server responds with `Vary: Authorization` (indicating the response varies by auth token), the library ignores this, causing all requests to share the same cache regardless of authorization.\n\n## Impact\n\n**Affected:** Server-side applications (APIs, proxies, backend services) that:\n\n- Use axios-cache-interceptor to cache requests to upstream services\n- Handle requests from multiple users with different auth tokens\n- Upstream services replies on `Vary` to differentiate caches\n\n**Not affected:** Browser/client-side applications (single user per browser session).\n\nServices using different auth tokens to call upstream services will return incorrect cached data, bypassing authorization checks and leaking user data across different authenticated sessions.\n\n## Solution\n\nAfter `v1.11.1`, automatic `Vary` header support is now enabled by default.\n\nWhen server responds with `Vary: Authorization`, cache keys now include the authorization header value. Each user gets their own cache.\n\n```js\n// v1.11.1+ (automatic, no config needed)\n// User 123: key = hash(url + {authorization: 'Bearer 123'})\n// User 456: key = hash(url + {authorization: 'Bearer 456'})\n// ✓ Different caches, no poisoning\n```\n\n## Remediation\n\nUpgrade to v1.11.1 or later. _No code changes required, protection is automatic_\n\n\n## Proof of Concept\n\n```js\nconst http = require('node:http');\nconst axios = require('axios');\nconst { setupCache } = require('axios-cache-interceptor');\n\n// Server that returns different responses based on Authorization\nconst server = http.createServer((req, res) => {\n  const auth = req.headers.authorization;\n\n  res.setHeader('Vary', 'Authorization');\n\n  if (auth === 'Bearer 123') {\n    res.write('Hello, user 123!');\n  } else if (auth === 'Bearer 456') {\n    res.write('Hello, user 456!');\n  } else {\n    res.write('Unknown');\n  }\n\n  res.end();\n});\n\nserver.listen(5000);\n\n// Client making requests with different tokens\nconst cachedAxios = setupCache(axios.create());\n\nconst server2 = http.createServer(async (_req, res) => {\n  const authHeader =\n    Math.random() < 0.5 ? 'Bearer 123' : 'Bearer 456';\n\n  const response = await cachedAxios.get('http://localhost:5000', {\n    headers: { Authorization: authHeader }\n  });\n\n  console.log({\n    response: response.data,\n    cached: response.cached,\n    auth: authHeader\n  });\n  res.write(response.data);\n  res.end();\n});\n\nserver2.listen(5001);\n\n// Trigger 10 requests\nPromise.all(\n  Array.from({ length: 10 }, () =>\n    axios.get('http://localhost:5001').catch(console.error)\n  )\n).finally(() => {\n  server.close();\n  server2.close();\n});\n```\n\nAll 10 responses return \"Hello, user 123!\" even when using \"Bearer 456\" - users receive each other's cached data.","state":0,"publishedAt":"2025-12-30T15:37:55+00:00","modifiedAt":"2026-02-03T03:13:54.639134+00:00","affected":[{"ecosystem":"npm","name":"axios-cache-interceptor","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.11.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V4","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/arthurfiorette/axios-cache-interceptor/security/advisories/GHSA-x4m5-4cw8-vc44","https://nvd.nist.gov/vuln/detail/CVE-2025-69202","https://github.com/arthurfiorette/axios-cache-interceptor/commit/49a808059dfc081b9cc23d48f243d55dfce15f01","https://github.com/arthurfiorette/axios-cache-interceptor"],"sourceUrl":"https://github.com/advisories/GHSA-x4m5-4cw8-vc44","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-x4m5-4cw8-vc44","identifiers":["GHSA-x4m5-4cw8-vc44","CVE-2025-69202"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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