# brace-expansion (npm) vulnerabilities

Source: https://junglewise.ai/threats/technologies/brace-expansion  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/brace-expansion.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in brace-expansion (npm): 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-102278, was published on 28 September 2026. Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 10 (0 critical, 0 exploited in the wild)

## About brace-expansion (npm)

An npm package for performing shell-like brace expansion of strings.

## Latest brace-expansion (npm) vulnerabilities

- [CVE-2026-102278: brace-expansion stack exhaustion in deeply nested brace groups](https://junglewise.ai/threats/cve-2026-102278-the-brace-expansion-library-generates-arbitrary-strings) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-102277: brace-expansion quadratic CPU consumption denial of service](https://junglewise.ai/threats/cve-2026-102277-the-brace-expansion-library-generates-arbitrary-strings) (medium, CVSS 5.3, published 28 Sep 2026)
- [CVE-2026-102276: brace-expansion stack exhaustion denial of service](https://junglewise.ai/threats/cve-2026-102276-the-brace-expansion-library-generates-arbitrary-strings) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-69152: juliangruber brace-expansion Denial of Service via unbounded arrays](https://junglewise.ai/threats/cve-2026-69152-juliangruber-brace-expansion-denial-of-service-via-unbounded) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-14257: juliangruber brace-expansion denial of service via memory exhaustion](https://junglewise.ai/threats/cve-2026-14257-juliangruber-brace-expansion-denial-of-service-via-memory) (high, CVSS 7.5, published 23 Jul 2026)
- [CVE-2026-13149: juliangruber brace-expansion denial of service in expand function](https://junglewise.ai/threats/cve-2026-13149-juliangruber-brace-expansion-denial-of-service-in-expand-function) (medium, CVSS 5.3, published 30 Jun 2026)
- [CVE-2026-45149: juliangruber brace-expansion resource exhaustion in numeric range expansion](https://junglewise.ai/threats/cve-2026-45149-juliangruber-brace-expansion-resource-exhaustion-in-numeric-range) (medium, CVSS 6.5, published 29 May 2026)
- [CVE-2026-33750: The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5…](https://junglewise.ai/threats/cve-2026-33750-brace-expansion-infinite-loop-in-zero-step-sequences) (medium, CVSS 6.5, published 27 Mar 2026)
- [CVE-2025-5889: brace-expansion regular expression denial of service](https://junglewise.ai/threats/cve-2025-5889-brace-expansion-regular-expression-denial-of-service) (low, CVSS 3.1, published 9 Jun 2025)
- [CVE-2017-18077: brace-expansion regular expression denial of service](https://junglewise.ai/threats/cve-2017-18077-brace-expansion-regular-expression-denial-of-service) (low, CVSS 3, published 29 Jan 2018)

## Most severe brace-expansion (npm) vulnerabilities

- [CVE-2026-69152: juliangruber brace-expansion Denial of Service via unbounded arrays](https://junglewise.ai/threats/cve-2026-69152-juliangruber-brace-expansion-denial-of-service-via-unbounded) (high, CVSS 7.5, published 3 Aug 2026)
- [CVE-2026-14257: juliangruber brace-expansion denial of service via memory exhaustion](https://junglewise.ai/threats/cve-2026-14257-juliangruber-brace-expansion-denial-of-service-via-memory) (high, CVSS 7.5, published 23 Jul 2026)
- [CVE-2026-102278: brace-expansion stack exhaustion in deeply nested brace groups](https://junglewise.ai/threats/cve-2026-102278-the-brace-expansion-library-generates-arbitrary-strings) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-102276: brace-expansion stack exhaustion denial of service](https://junglewise.ai/threats/cve-2026-102276-the-brace-expansion-library-generates-arbitrary-strings) (high, CVSS 7.5, published 28 Sep 2026)
- [CVE-2026-33750: The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to versions 5.0.5…](https://junglewise.ai/threats/cve-2026-33750-brace-expansion-infinite-loop-in-zero-step-sequences) (medium, CVSS 6.5, published 27 Mar 2026)
- [CVE-2026-45149: juliangruber brace-expansion resource exhaustion in numeric range expansion](https://junglewise.ai/threats/cve-2026-45149-juliangruber-brace-expansion-resource-exhaustion-in-numeric-range) (medium, CVSS 6.5, published 29 May 2026)
- [CVE-2026-13149: juliangruber brace-expansion denial of service in expand function](https://junglewise.ai/threats/cve-2026-13149-juliangruber-brace-expansion-denial-of-service-in-expand-function) (medium, CVSS 5.3, published 30 Jun 2026)
- [CVE-2026-102277: brace-expansion quadratic CPU consumption denial of service](https://junglewise.ai/threats/cve-2026-102277-the-brace-expansion-library-generates-arbitrary-strings) (medium, CVSS 5.3, published 28 Sep 2026)
- [CVE-2025-5889: brace-expansion regular expression denial of service](https://junglewise.ai/threats/cve-2025-5889-brace-expansion-regular-expression-denial-of-service) (low, CVSS 3.1, published 9 Jun 2025)
- [CVE-2017-18077: brace-expansion regular expression denial of service](https://junglewise.ai/threats/cve-2017-18077-brace-expansion-regular-expression-denial-of-service) (low, CVSS 3, published 29 Jan 2018)

## Vulnerabilities per week

Nothing in the last four weeks, down from 3 vulnerabilities in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 3 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "brace-expansion (npm) vulnerabilities", https://junglewise.ai/threats/technologies/brace-expansion, 13 November 2026.