CVE-2026-48995

HIGH

7.5

CVSS v3

Description

pnpm is a package manager. Prior to 10.33.4 and 11.0.7, a malicious codeload.github.com server can serve whatever tarball it wants and pnpm will install it regardless of the lockfile. The lockfile does not store the hash of the dependencies from https://codeload.github.com. This means that if this server was compromised or a person's machine configuration was compromised, pnpm would download and install these dependencies. This vulnerability is fixed in 10.33.4 and 11.0.7.

CWE-353

How to fix

Remediation Available

pnpmWindows application

Affected:10.33.4Fixed in:10.33.4pnpm

Affected:11.0.0 11.0.7Fixed in:11.0.7pnpm

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.16%probability of exploitation in 30 days

6thpercentile

Low risk: more likely to be exploited than 6% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-353 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2021-28545	High	8.1	2.3%	-	-
CVE-2021-28546	Medium	6.5	1.4%	-	-
CVE-2019-10943	High	7.5	1.0%	-	Fix
CVE-2020-10124	High	7.1	0.7%	-	-
CVE-2020-7878	Critical	9.8	0.7%	-	-
CVE-2020-7808	High	8.7	0.7%	-	-

Common questions

How do I fix CVE-2026-48995?

Upgrade pnpm to 10.33.4 or later.

Is CVE-2026-48995 being actively exploited?

Not that we know of. CVE-2026-48995 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.16% is the estimated probability that it will be exploited in the next 30 days. That is higher than 6% of all scored CVEs.

How severe is CVE-2026-48995?

CVE-2026-48995 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-48995 affect?

Published advisories record a fix for pnpm (Windows application). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-29.