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fix(security/low/): update dependency @babel/core to v7.29.6 [security] - #149

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fix(security/low/): update dependency @babel/core to v7.29.6 [security]#149
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renovate/security-@babelcore

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@renovate-sh-app renovate-sh-app Bot commented Jun 17, 2026

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This PR contains the following updates:

Package Change Age Confidence
@babel/core (source) 7.26.107.29.6 age confidence

@​babel/core: Arbitrary File Read via sourceMappingURL Comment

CVE-2026-49356 / GHSA-4x5r-pxfx-6jf8

More information

Details

Impact

Using @babel/core to compile maliciously crafted code can allow ab attacker to read any source map from the system that is running Babel, if these conditions are all true:

  • the attacker controls the input source code
  • the attacker can read the output source code
  • the attacker knows the path of the source map file that they want to read

Users that only compile trusted code are not impacted.

Patches

The vulnerability has been fixed in @babel/core@7.29.6 and @babel/core@8.0.0-rc.6.

Workarounds

Callers can mitigate the issue without upgrading by setting inputSourceMap: false in their Babel options.

Callers can also manually extract the #sourceMappingURL comment from the input source code, validate whether the source map that it links to is allowed to be read, and if it is pass an object to inputSourceMap (passing false when it's not).

Credits

Thanks Teodor-Cristian Radoi for reporting the vulnerability.

Severity

  • CVSS Score: 3.2 / 10 (Low)
  • Vector String: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


@​babel/core: Arbitrary File Read via sourceMappingURL Comment

CVE-2026-49356 / GHSA-4x5r-pxfx-6jf8

More information

Details

Impact

Using @babel/core to compile maliciously crafted code can allow ab attacker to read any source map from the system that is running Babel, if these conditions are all true:

  • the attacker controls the input source code
  • the attacker can read the output source code
  • the attacker knows the path of the source map file that they want to read

Users that only compile trusted code are not impacted.

Patches

The vulnerability has been fixed in @babel/core@7.29.6 and @babel/core@8.0.0-rc.6.

Workarounds

Callers can mitigate the issue without upgrading by setting inputSourceMap: false in their Babel options.

Callers can also manually extract the #sourceMappingURL comment from the input source code, validate whether the source map that it links to is allowed to be read, and if it is pass an object to inputSourceMap (passing false when it's not).

Credits

Thanks Teodor-Cristian Radoi for reporting the vulnerability.

Severity

  • CVSS Score: 3.2 / 10 (Low)
  • Vector String: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

References

This data is provided by OSV and the GitHub Advisory Database (CC-BY 4.0).


Release Notes

babel/babel (@​babel/core)

v7.29.6

Compare Source

v7.29.6 (2026-05-25)

🐛 Bug Fix
Committers: 3

v7.29.0

Compare Source

v7.29.0 (2026-01-31)

Thanks @​simbahax for your first PR!

🚀 New Feature
🐛 Bug Fix
  • babel-parser
  • babel-traverse
    • #​17708 fix(traverse): provide a hub when traversing a File or Program and no parentPath is given (@​simbahax)
  • babel-plugin-transform-block-scoping, babel-traverse
    • #​17737 [7.x backport] fix: Rename switch discriminant references when body creates shadowing variable (@​magic-akari)
🏃‍♀️ Performance
Committers: 6

v7.28.6

Compare Source

v7.28.6 (2026-01-12)

Thanks @​kadhirash and @​kolvian for your first PRs!

🐛 Bug Fix
  • babel-cli, babel-code-frame, babel-core, babel-helper-check-duplicate-nodes, babel-helper-fixtures, babel-helper-plugin-utils, babel-node, babel-plugin-transform-flow-comments, babel-plugin-transform-modules-commonjs, babel-plugin-transform-property-mutators, babel-preset-env, babel-traverse, babel-types
  • babel-plugin-transform-regenerator
  • babel-plugin-transform-react-jsx
💅 Polish
  • babel-core, babel-standalone
🏠 Internal
  • babel-plugin-bugfix-v8-static-class-fields-redefine-readonly, babel-plugin-proposal-decorators, babel-plugin-proposal-import-attributes-to-assertions, babel-plugin-proposal-import-wasm-source, babel-plugin-syntax-async-do-expressions, babel-plugin-syntax-decorators, babel-plugin-syntax-destructuring-private, babel-plugin-syntax-do-expressions, babel-plugin-syntax-explicit-resource-management, babel-plugin-syntax-export-default-from, babel-plugin-syntax-flow, babel-plugin-syntax-function-bind, babel-plugin-syntax-function-sent, babel-plugin-syntax-import-assertions, babel-plugin-syntax-import-attributes, babel-plugin-syntax-import-defer, babel-plugin-syntax-import-source, babel-plugin-syntax-jsx, babel-plugin-syntax-module-blocks, babel-plugin-syntax-optional-chaining-assign, babel-plugin-syntax-partial-application, babel-plugin-syntax-pipeline-operator, babel-plugin-syntax-throw-expressions, babel-plugin-syntax-typescript, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-class-properties, babel-plugin-transform-class-static-block, babel-plugin-transform-dotall-regex, babel-plugin-transform-duplicate-named-capturing-groups-regex, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-exponentiation-operator, babel-plugin-transform-json-strings, babel-plugin-transform-logical-assignment-operators, babel-plugin-transform-nullish-coalescing-operator, babel-plugin-transform-numeric-separator, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-catch-binding, babel-plugin-transform-optional-chaining, babel-plugin-transform-private-methods, babel-plugin-transform-private-property-in-object, babel-plugin-transform-regexp-modifiers, babel-plugin-transform-unicode-property-regex, babel-plugin-transform-unicode-sets-regex
🏃‍♀️ Performance
Committers: 7

v7.28.5

Compare Source

v7.28.5 (2025-10-23)

Thank you @​CO0Ki3, @​Olexandr88, and @​youthfulhps for your first PRs!

👓 Spec Compliance
🐛 Bug Fix
  • babel-plugin-proposal-destructuring-private
  • babel-parser
  • babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring
  • babel-helper-create-class-features-plugin, babel-helper-member-expression-to-functions, babel-plugin-transform-block-scoping, babel-plugin-transform-optional-chaining, babel-traverse, babel-types
  • babel-traverse
🏠 Internal
🏃‍♀️ Performance
Committers: 8

v7.28.4

Compare Source

v7.28.4 (2025-09-05)

Thanks @​gwillen and @​mrginglymus for your first PRs!

🏠 Internal
Committers: 5

v7.28.3

Compare Source

v7.28.3 (2025-08-14)

👓 Spec Compliance
  • babel-helper-create-class-features-plugin, babel-plugin-proposal-decorators, babel-plugin-transform-class-static-block, babel-preset-env
🐛 Bug Fix
💅 Polish
  • babel-plugin-transform-regenerator, babel-plugin-transform-runtime
📝 Documentation
🏠 Internal
🔬 Output optimization
  • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions
Committers: 5

v7.28.0

Compare Source

v7.28.0 (2025-07-02)

🚀 New Feature
  • babel-node
  • babel-types
  • babel-compat-data, babel-preset-env
  • babel-core, babel-parser
  • babel-generator, babel-parser
  • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-plugin-transform-object-rest-spread, babel-traverse, babel-types
  • babel-parser, babel-traverse, babel-types
  • babel-generator, babel-plugin-proposal-destructuring-private, babel-plugin-proposal-discard-binding, babel-plugin-transform-destructuring, babel-plugin-transform-explicit-resource-management, babel-plugin-transform-react-display-name, babel-types
  • babel-generator, babel-parser, babel-plugin-proposal-destructuring-private, babel-plugin-transform-block-scoping, babel-plugin-transform-object-rest-spread, babel-plugin-transform-typescript, babel-traverse, babel-types
🐛 Bug Fix
🏠 Internal
  • babel-compat-data, babel-plugin-proposal-decorators, babel-plugin-transform-async-generator-functions, babel-plugin-transform-json-modules, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
Committers: 5

v7.27.7

Compare Source

v7.27.7 (2025-06-26)

Thanks @​arthur-mountain and @​evankanderson for your first PRs!

👓 Spec Compliance
🐛 Bug Fix
🏠 Internal
  • babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread
Committers: 6

v7.27.4

Compare Source

v7.27.4 (2025-05-30)

👓 Spec Compliance
  • babel-parser, babel-plugin-proposal-explicit-resource-management
💅 Polish
🔬 Output optimization
  • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs3
  • babel-core, babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-async-to-generator, babel-plugin-transform-block-scoping, babel-plugin-transform-classes, babel-plugin-transform-destructuring, babel-plugin-transform-regenerator, babel-plugin-transform-runtime, babel-preset-env, babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime, babel-standalone
Committers: 4

v7.27.3

Compare Source

v7.27.3 (2025-05-27)

🐛 Bug Fix
  • babel-generator
  • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • babel-plugin-proposal-explicit-resource-management
  • babel-plugin-proposal-decorators, babel-types
  • babel-helper-module-transforms, babel-plugin-proposal-explicit-resource-management, babel-plugin-transform-modules-amd, babel-plugin-transform-modules-commonjs, babel-plugin-transform-modules-umd
    • #​17257 Preserve class id when transforming using declarations with exported class (@​JLHwung)
  • babel-parser
  • babel-generator, babel-parser
Committers: 7

v7.27.1

Compare Source

v7.27.1 (2025-04-30)

Thanks @​kermanx and @​woaitsAryan for your first PRs!

👓 Spec Compliance
🐛 Bug Fix
  • babel-plugin-proposal-destructuring-private, babel-plugin-proposal-do-expressions, babel-traverse
  • babel-helper-wrap-function, babel-plugin-transform-async-to-generator
  • babel-helper-remap-async-to-generator, babel-plugin-transform-async-to-generator
  • babel-helper-fixtures, babel-parser
  • babel-generator, babel-parser
    • #​17226 Fill optional AST properties when both estree and typescript parser plugin are enabled (Part 2) (@​JLHwung)
  • babel-parser
  • babel-compat-data, babel-preset-env
  • babel-traverse
  • babel-generator
💅 Polish
  • babel-plugin-bugfix-v8-spread-parameters-in-optional-chaining, babel-plugin-proposal-decorators, babel-plugin-transform-arrow-functions, babel-plugin-transform-class-properties, babel-plugin-transform-destructuring, babel-plugin-transform-object-rest-spread, babel-plugin-transform-optional-chaining, babel-plugin-transform-parameters, babel-traverse
🏠 Internal
  • babel-runtime-corejs2, babel-runtime-corejs3, babel-runtime
  • babel-compat-data, babel-preset-env
  • babel-compat-data, babel-standalone
  • babel-register
  • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
  • All packages
🔬 Output optimization
  • babel-helpers, babel-plugin-transform-modules-commonjs, babel-runtime-corejs3
  • babel-helpers, babel-plugin-transform-async-generator-functions, babel-plugin-transform-regenerator, babel-preset-env, babel-runtime-corejs3
Committers: 9

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@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 7 times, most recently from 6248036 to e55cc24 Compare June 25, 2026 05:01
@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 4 times, most recently from cc29fb1 to dff6353 Compare June 29, 2026 11:01
@renovate-sh-app renovate-sh-app Bot changed the title fix(security/low/): update security @babel/core to v7.29.6 [security] fix(security/low/): update dependency @babel/core to v7.29.6 [security] Jun 29, 2026
@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 12 times, most recently from 2911293 to 91a4841 Compare July 7, 2026 08:02
@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 9 times, most recently from a77e605 to 9a063fc Compare July 28, 2026 17:01
@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 11 times, most recently from d3b434b to a10ee73 Compare August 4, 2026 23:00
@renovate-sh-app
renovate-sh-app Bot force-pushed the renovate/security-@babelcore branch 9 times, most recently from 65a95b4 to c7b60fe Compare August 10, 2026 14:01
| datasource | package     | from    | to     |
| ---------- | ----------- | ------- | ------ |
| npm        | @babel/core | 7.26.10 | 7.29.6 |


Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
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