CVE-2026-101043 pnpm - Information Disclosure

pnpm versions 11.0.0 before 11.11.0 and 10.7.0 before 10.34.5 contain an information disclosure caused by expansion of environment-variable placeholders in proxy settings from pnpm-workspace.yaml, letting attackers controlling the repository exfiltrate environment secrets via DNS lookups, exploit requires attacker control of repository manifest.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Information Disclosure
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Published
27 September 2026
Updated
15 October 2026
Weakness
CWE-201

Vendor fix

Update to versions 11.11.0 or 10.34.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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