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MEDIUM

CVE-2026-78177

CVE-2026-78177 — TanStack devtools-vite Development Devtools Event Bus package-manager.ts installPackage os command injection

A vulnerability was found in TanStack devtools-vite 0.7.0. Affected by this issue is the function installPackage of the file packages/devtools-bundler-core/src/package-manager.ts of the component Development Devtools Event Bus. The manipulation of the argument packageName results in os command injection. Attacking locally is a requirement. A high complexity level is associated with this attack. The exploitation is known to be difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Published Updated Sources: cvelistV5, VulDB

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.

Exploitation

Unreported

no source claims exploitation

EPSS

1%

chance of exploitation in 30 days

Affects

tanstack

devtools_vite

CVSS base

4.5

MEDIUM

CISA SSVC assessment

Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.

CISA

Exploitation

PoC

none · proof-of-concept · active

Automatable

No

can an attacker script all four kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Affected scope

The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.

Vendors (1)

tanstack

Products (1)

devtools vite

Every base score collected

Sources score independently and disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactSource
4.5CVSS 3.1MEDIUM——cvelistV5

Weakness & attack patterns

  • CWE-78
  • CWE-77

Detection

Read off the CVSS vector and the weakness class. Starting points, not rules we have tested.

  • Search application, proxy, and WAF logs for requests touching /devtools-bundler-core/src/package-manager.ts.

References

5 on the record

Elsewhere on this site

  • tanstackevery CVE for this vendor
  • CWE-78other pages naming this weakness

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.