Update dependency body-parser to v1.20.6 [SECURITY]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
body-parser	1.20.1 → 1.20.6

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body-parser vulnerable to denial of service when url encoding is enabled

CVE-2024-45590 / GHSA-qwcr-r2fm-qrc7

More information

Details

Impact

body-parser <1.20.3 is vulnerable to denial of service when url encoding is enabled. A malicious actor using a specially crafted payload could flood the server with a large number of requests, resulting in denial of service.

Patches

this issue is patched in 1.20.3

References

Severity

• CVSS Score: 8.7 / 10 (High)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

References

• https://github.com/expressjs/body-parser/security/advisories/GHSA-qwcr-r2fm-qrc7
• https://github.com/expressjs/body-parser/commit/b2695c4450f06ba3b0ccf48d872a229bb41c9bce
• https://nvd.nist.gov/vuln/detail/CVE-2024-45590
• https://github.com/advisories/GHSA-qwcr-r2fm-qrc7

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

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body-parser vulnerable to denial of service when invalid limit value silently disables size enforcement

CVE-2026-12590 / GHSA-v422-hmwv-36x6

More information

Details

Impact

When body-parser is configured with an invalid limit option value, such as an unparseable string or NaN, bytes.parse() returns null and the request body size check is silently skipped. Applications that rely on limit as their primary safeguard against oversized request bodies will accept arbitrarily large payloads, leading to excessive memory and CPU usage and denial of service.

This issue affects applications that pass a programmatically computed or user-configurable value to the limit option without validating it first.

Patches

This issue is fixed in body-parser@2.3.0 and body-parser@1.20.6 via #​698. After the fix, invalid limit values throw a clear error at parser construction time instead of silently disabling enforcement. null and undefined continue to fall back to the default limit (100kb).

Workarounds

Validate limit before passing it to body-parser. For example, parse the value with bytes.parse() at startup and reject any configuration where it returns null or a non-finite number.

References

• #​698: fix PR
• bytes.js: limit parser

Severity

• CVSS Score: 3.7 / 10 (Low)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References

• https://github.com/expressjs/body-parser/security/advisories/GHSA-v422-hmwv-36x6
• https://nvd.nist.gov/vuln/detail/CVE-2026-12590
• https://github.com/expressjs/body-parser/pull/698
• https://github.com/expressjs/body-parser/pull/741
• https://github.com/expressjs/body-parser/commit/2322e111cc321413ec2b7b76d01be533d3de9d7d
• https://github.com/expressjs/body-parser/commit/3492672eee593d5c158f239b6e9115498a5dbeac
• https://cna.openjsf.org/security-advisories.html
• https://github.com/expressjs/body-parser/releases/tag/1.20.6
• https://github.com/expressjs/body-parser/releases/tag/v2.3.0
• https://github.com/advisories/GHSA-v422-hmwv-36x6

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

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Release Notes

expressjs/body-parser (body-parser)

v1.20.6

Compare Source

What's Changed

• fix: improve limit option validation by @​Phillip9587 in #​741

Full Changelog: expressjs/body-parser@1.20.5...1.20.6

v1.20.5

Compare Source

What's Changed

The reason for this release is a fix to the extended urlencoded parser returning objects instead of arrays for large array inputs (> 100) on qs@​6.14.2+. (#​716)

• refactor(json): simplify strict mode error string construction by @​jonchurch in #​692
• fix: correct off-by-one error in parameterCount by @​abhu85 in #​716
• deps(qs): bump qs to 6.15.1 by @​jonchurch in #​722
• Release: 1.20.5 by @​jonchurch in #​721

New Contributors

• @​abhu85 made their first contribution in #​716

Special thanks to triager @​krzysdz for keeping this on our radar and effectively triaging the specific issue!

Full Changelog: expressjs/body-parser@1.20.4...1.20.5

v1.20.4

Compare Source

===================

• deps: qs@~6.14.0
• deps: use tilde notation for dependencies
• deps: http-errors@~2.0.1
• deps: raw-body@~2.5.3

v1.20.3

Compare Source

===================

• deps: qs@​6.13.0
• add depth option to customize the depth level in the parser
• IMPORTANT: The default depth level for parsing URL-encoded data is now 32 (previously was Infinity)

v1.20.2

Compare Source

===================

• Fix strict json error message on Node.js 19+
• deps: content-type@~1.0.5
  • perf: skip value escaping when unnecessary
• deps: raw-body@​2.5.2

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