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CVE-2026-93687
braces through 3.0.3 Stack Overflow via Deeply Nested Patterns
High8.7EPSS 0.78%
- Published
- Updated
- Reserved
- Assigned by
- VulnCheck
Description
braces through 3.0.3 contains a stack overflow vulnerability in the recursive AST walkers that lack depth guards. Attackers can supply deeply nested brace patterns under the character limit to exhaust the call stack and terminate the Node.js process with an uncaught RangeError.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulnCheckCNA (assigner) | 4.0 | High8.7 | 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 |
| VulnCheckCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Awaiting Analysis | 4.0 | High8.7 | 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.78% · top 44% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Weakness
Affected products
- affected ≤ 3.0.3
References (8)
- GitHub Issue #70 (opens in a new tab)issue-tracking
- https://github.com/micromatch/braces (opens in a new tab)product
- https://github.com/micromatch/braces/blob/3.0.3/lib/compile.js#L49-L53 (opens in a new tab)technical-description
- https://github.com/micromatch/braces/blob/3.0.3/lib/expand.js#L102-L105 (opens in a new tab)technical-description
- https://github.com/micromatch/braces/blob/3.0.3/lib/parse.js#L38-L40 (opens in a new tab)technical-description
- VulnCheck Advisory: braces through 3.0.3 Stack Overflow via Deeply Nested Patterns (opens in a new tab)third-party-advisory
- https://github.com/micromatch/braces/issues/73#issuecomment-5996574974 (opens in a new tab)
- https://github.com/advisories/ghsa-vfj7-8cjw-p6xm (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-93687)Record last updated .