CVE-2026-120474: undici · Use of Cache Containing Sensitive Information
Affects undiciSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 8.12.4 or 7.30.2 when convenient.
Data as of 6 Nov 2026, 10:19 UTC
Thin evidence
One scorer or none| CNA (openjs) | CVSS 3.1 | 6.5 |
|---|
- Patch
- Available – fixed in 8.12.4, 7.30.2
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Upgrade undici to 8.12.4 or 7.30.2.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| undiciundici | Affected
| Fixed in
|
| undiciundici | Affected
| Fixed in
|
npmundicipkg:npm/undiciOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade undici to version 7.30.2 or later, or 8.12.4 or later, where this issue is fixed. No other mitigation is indicated by the vendor advisory.
Description
A vulnerability in undici HTTP client versions 7.0.0 through 7.30.1 and 8.0.0 through 8.12.3 allows cross-user disclosure of cached private responses. When using the redirect interceptor with a shared response cache, an authenticated redirected request's final response is cached under the original request's key, which lacks credential and Vary header information. This can cause private response data to be served to unauthorized users. The issue is fixed in versions 7.30.2 and 8.12.4.