---
id: CVE-2026-102422
title: >-
  shell-quote's `quote()` function emits a `{ comment }` token as `#` followed
  by its text, which comments out the rest of the shell line, including the
  opening quote of any later string token
summary: >-
  shell-quote's `quote()` function emits a `{ comment }` token as `#` followed
  by its text, which comments out the rest of the shell line, including the
  opening quote of any later string token. A line terminator (\n, \r, U+2028,
  U+2029) in…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
product: shell-quote
affected:
  - shell-quote >= 1.8.4 < 1.11.0
published: '2026-09-29'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T17:32:07.107'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102422'
references:
  - url: 'https://github.com/ljharb/shell-quote'
    label: 7ffcee3d-2c14-4c3e-b844-86c6a321a158
  - url: >-
      https://github.com/ljharb/shell-quote/commit/6002b2ed90c6b83095eb272b6b0adaf3a172b0bc
    label: 7ffcee3d-2c14-4c3e-b844-86c6a321a158
  - url: >-
      https://github.com/ljharb/shell-quote/security/advisories/GHSA-pqg4-j6r4-53mv
    label: 7ffcee3d-2c14-4c3e-b844-86c6a321a158
  - url: 'https://www.npmjs.com/package/shell-quote'
    label: 7ffcee3d-2c14-4c3e-b844-86c6a321a158
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102422'
  - url: 'https://github.com/advisories/GHSA-pqg4-j6r4-53mv'
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102422.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-102422'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2542933'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-102422'
  - url: 'https://access.redhat.com/errata/RHSA-2026:72498'
  - url: 'https://access.redhat.com/errata/RHSA-2026:72507'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69544'
  - url: 'https://access.redhat.com/errata/RHSA-2026:72750'
tags:
  - nvd
  - cve.org
  - ghsa
  - npm
  - exploit-available
  - csaf
  - vex
  - red-hat
epss: 0.00378
epssPercentile: 0.31569
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-30T15:18:10.710251Z'
ingestedAt: '2026-09-29T04:27:15.487Z'
aliases:
  - GHSA-pqg4-j6r4-53mv
ecosystem: npm
vendor: shell-quote
patched:
  - shell-quote 1.11.0
exploits:
  github: 1
  githubRepos:
    - 'https://github.com/DevVaibhav07/CVE-2026-102422'
  checkedAt: '2026-10-27T16:53:21.932Z'
exploitAvailable: true
---

## Overview

shell-quote's `quote()` function emits a `{ comment }` token as `#` followed by its text, which comments out the rest of the shell line, including the opening quote of any later string token. A line terminator (\n, \r, U+2028, U+2029) in that later string therefore ends the comment, and the rest of the string is parsed as shell input: `quote(['echo', 'ok', { comment: 'x' }, 'a\nid;#'])` runs `id` in sh, bash, dash, ksh and zsh. `parse()` emits a comment token for a `#` in the middle of a word (for example `http://example.com/#frag`), so callers that combine `parse()` output with another untrusted string, such as `quote(parse(untrustedCommand).concat(untrustedArg))`, are affected. The fix for CVE-2026-9277 rejected line terminators in the comment's own text, but not in the tokens after it. Fixed in 1.11.0: `quote()` throws a `TypeError` when a string after a `{ comment }` token contains a line terminator.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Package advisory (CVE-2026-102422)

Affected packages:

- `shell-quote >= 1.8.4, < 1.11.0`

Patched in:

- `shell-quote 1.11.0`

Source: https://github.com/advisories/GHSA-pqg4-j6r4-53mv

## Vendor advisories

- **RHSA-2026:72498** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:72498)
- **RHSA-2026:72507** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:72507)
- **RHSA-2026:69544** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69544)
- **RHSA-2026:72750** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-09-28 · [advisory](https://access.redhat.com/errata/RHSA-2026:72750)
- **Red Hat VEX** · Important · affected: OpenShift Lightspeed, OpenShift Pipelines, Red Hat Connectivity Link 1, Red Hat Discovery 2, Red Hat OpenShift AI (RHOAI), Red Hat OpenShift Dev Spaces, … · no fix planned: Secrets Management Console for Red Hat OpenShift, OpenShift Lightspeed, OpenShift Pipelines, Red Hat Connectivity Link 1, … · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-102422.json)