# CoreBunch vulnerabilities

Source: https://junglewise.ai/threats/vendors/corebunch  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/corebunch.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in CoreBunch: 1 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-125398, was published on 10 November 2026. 1 vulnerability in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 1
- Last 30 days: 2
- Last 90 days: 2
- All time: 3 (0 critical, 0 exploited in the wild)

## Latest CoreBunch vulnerabilities

- [CVE-2026-125398: Instatic authorization bypass in handleRowAuthor](https://junglewise.ai/threats/cve-2026-125398-instatic-before-0-0-21-contains-an-authorization-bypass) (high, CVSS 7.1, published 10 Nov 2026)
- [CVE-2026-121458: Instatic authorization bypass in AI/MCP content read tools](https://junglewise.ai/threats/cve-2026-121458-instatic-before-0-0-21-contains-a-missing-authorization) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-72587: CoreBunch Instatic cache poisoning in render endpoint](https://junglewise.ai/threats/cve-2026-72587-corebunch-instatic-cache-poisoning-in-render-endpoint) (medium, CVSS 6.1, published 10 Aug 2026)

## Most severe CoreBunch vulnerabilities

- [CVE-2026-125398: Instatic authorization bypass in handleRowAuthor](https://junglewise.ai/threats/cve-2026-125398-instatic-before-0-0-21-contains-an-authorization-bypass) (high, CVSS 7.1, published 10 Nov 2026)
- [CVE-2026-121458: Instatic authorization bypass in AI/MCP content read tools](https://junglewise.ai/threats/cve-2026-121458-instatic-before-0-0-21-contains-a-missing-authorization) (medium, CVSS 6.5, published 3 Nov 2026)
- [CVE-2026-72587: CoreBunch Instatic cache poisoning in render endpoint](https://junglewise.ai/threats/cve-2026-72587-corebunch-instatic-cache-poisoning-in-render-endpoint) (medium, CVSS 6.1, published 10 Aug 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none 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 | 0 | 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 | 1 | 0 | 0 |
| 9 Nov 2026 | 1 | 0 | 0 |

## CoreBunch technologies

- [CoreBunch Instatic](https://junglewise.ai/threats/technologies/instatic): 3 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, "CoreBunch vulnerabilities", https://junglewise.ai/threats/vendors/corebunch, 11 November 2026.