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CVE-2026-93687braces through 3.0.3 Stack Overflow via Deeply Nested Patterns
- 8.7HighCVSS base score
- 0.78%Exploitation in 30 daysEPSS · top 44% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulnCheck
Published
- 48 days later
· 48 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.7.
Affected products
- affected ≤ 3.0.3
References
References8
- 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)
- EUVD EUVD-2026-82983 (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://cveledger.app/cve/CVE-2026-93687)Record last updated .