CVEvulnerability

CVE-2026-49356

3.6 LOW Published 2026-06-22 Modified 2026-06-26 Official page ↗
Status
Analyzed
Published
2026-06-22
Last modified
2026-06-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
3.2 LOW — CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS 3.1 ([email protected])
3.6 LOW — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Weaknesses
CWE-200, CWE-22

Description

Babel is a compiler for writing next generation JavaScript. Prior to 8.0.0-rc.6 and 7.29.6, @babel/core affected by an arbitrary file read via a sourceMappingURL comment. Using @babel/core to compile maliciously crafted code can allow an attacker to read any source map from the system that is running Babel, if the attacker controls the input source code, can read the output source code, and knows the path of the source map file that they want to read. This vulnerability is fixed in 8.0.0-rc.6 and 7.29.6.

Affected configurations

• babel babel (< 7.29.6) • babel babel 8.0.0

Related

Weakness · CWE (2)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness

References