CVE-2026-93687

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-09-18. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
7.5(high)
EG Risk
65(Attend)
EG Risk 65/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
35%
KEV
Not listed

Published

September 18, 2026

Last Modified

September 18, 2026

Advisory Details (6)

Auto-updated Sep 18, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

braces through 3.0.3 Stack Overflow via Deeply Nested Patterns | Advisories | VulnCheck

https://www.vulncheck.com/advisories/braces-through-3.0.3-stack-overflow-via-deeply-nested-patterns
generic

braces/lib/parse.js at 3.0.3 · micromatch/braces · GitHub

https://github.com/micromatch/braces/blob/3.0.3/lib/parse.js#L38-L40
generic

braces/lib/expand.js at 3.0.3 · micromatch/braces · GitHub

https://github.com/micromatch/braces/blob/3.0.3/lib/expand.js#L102-L105
generic

braces/lib/compile.js at 3.0.3 · micromatch/braces · GitHub

https://github.com/micromatch/braces/blob/3.0.3/lib/compile.js#L49-L53
generic

GitHub - micromatch/braces: Faster brace expansion for node.js. Besides being faster, braces is not subject to DoS attacks like minimatch, is more accurate, and has more complete support for Bash 4.3. · GitHub

https://github.com/micromatch/braces
generic🟡 PoC Available

Security Advisory: Uncontrolled Recursion Depth in Tree Walkers Leads to Stack-Overflow DoS · Issue #70 · micromatch/braces · GitHub

https://github.com/micromatch/braces/issues/70

Vendor Advisories for CVE-2026-93687(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-09-19 17:38 UTCEG score recompute
  2. 2026-09-19 17:38 UTCGHSA enrichment
  3. 2026-09-19 05:32 UTCEG score recompute
  4. 2026-09-19 05:32 UTCGHSA enrichment
  5. 2026-09-18 17:26 UTCEG score recompute
  6. 2026-09-18 17:06 UTCEG score recompute
  7. 2026-09-18 16:27 UTCEG score recompute
  8. 2026-09-18 15:24 UTCEG score recompute
  9. 2026-09-18 15:24 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-93687?
CVE-2026-93687 is a high vulnerability published on September 18, 2026. 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.
When was CVE-2026-93687 disclosed?
CVE-2026-93687 was first published in the National Vulnerability Database on September 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-93687 actively exploited?
CVE-2026-93687 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.5% of all scored CVEs.
What is the CVSS score of CVE-2026-93687?
CVE-2026-93687 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-93687?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-93687, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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