Okta patches Cloud Services after Node.js security releases
Okta and Auth0 report no exploitation evidence and tell customers to move Auth0 Actions to Node 22 and patch SDK runtimes.
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CVE-2026-123865
Memory and FD leak in Node.js HTTP/2 shutdown
- CVSS 3.0
- 7.5 high
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
An unauthenticated HTTP/2 client can permanently leak Node.js server memory and file descriptors. Sending GOAWAY(NO_ERROR) starts session shutdown; a protocol error such as an oversized frame header then makes nghttp2 tear the session down internally while Node.js never notices. The socket stays in CLOSE_WAIT and HTTP/2 state is held indefinitely. Node.js 26.x, 24.x, and 22.x HTTP/2 servers are affected. This is an incomplete fix of CVE-2026-48937.
What to do: Apply the Node.js security update for CVE-2026-123865. Fixed versions are not listed here.
| Product | Affected |
|---|---|
| Node.js | 26.x, 24.x, and 22.x |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
An unauthenticated HTTP/2 client can permanently leak Node.js server memory and file descriptors. If a peer triggers a protocol error, for example an oversized frame header, while the session is already shutting down, nghttp2 tears the session down internally but Node.js never notices, leaving a dangling session: the socket stays in CLOSE_WAIT and all of Node.js's HTTP/2 state for that connection is held in memory indefinitely, with no further cost to the attacker. The attacker can start the shutdown remotely by sending GOAWAY(NO_ERROR), so it is reliable against default HTTP/2 servers. It is an incomplete-fix case of CVE-2026-48937: that fix detected nghttp2 internal terminations by watching for GOAWAY sent while not shutting down, but missed terminations that arrive while the session is already shutting down. This vulnerability affects Node.js 26.x, 24.x, and 22.x.
- Weakness
- CWE-400
- Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H