CVE-2025-48947 is a vulnerability in Auth0 Next.js SDK versions 4.0.1 through 4.6.0, where __session cookies set by auth0.middleware can be cached by CDNs due to missing Cache-Control headers, potentially exposing sensitive user session data. This high-severity vulnerability (CVSS 7.7) requires specific preconditions, including the use of affected SDK versions, CDN caching of responses with Set-Cookie headers, and improper Cache-Control settings. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed on the CISA KEV catalog. Organizations using the affected SDK versions should upgrade to v4.6.1 to patch this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Auth0 | Nextjs-Auth0 | >= 4.0.1, < 4.6.1CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.