# unleash-server (npm) vulnerabilities Source: https://junglewise.ai/threats/technologies/unleash-server Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/unleash-server.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 6 vulnerabilities in unleash-server (npm): 0 in the last 7 days and 6 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-77426, was published on 22 September 2026. Nothing in the last four weeks, down from 4 vulnerabilities in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 6 - All time: 6 (0 critical, 0 exploited in the wild) ## About unleash-server (npm) npm package implementing an Unleash feature toggle server for feature flag management. ## Latest unleash-server (npm) vulnerabilities - [CVE-2026-77426: Unleash admin API missing await on permission check and cross-project IDOR](https://junglewise.ai/threats/cve-2026-77426-unleash-admin-api-missing-await-on-permission-check-and-cross) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77425: Unleash authorization bypass in strategy reordering](https://junglewise.ai/threats/cve-2026-77425-unleash-authorization-bypass-in-strategy-reordering) (medium, CVSS 4.3, published 22 Sep 2026) - [CVE-2026-76910: Unleash feature-toggle authorization bypass in clone endpoint](https://junglewise.ai/threats/cve-2026-76910-unleash-feature-toggle-authorization-bypass-in-clone-endpoint) (medium, CVSS 4, published 22 Sep 2026) - [CVE-2026-76909: Unleash change-request approval email HTML injection](https://junglewise.ai/threats/cve-2026-76909-unleash-change-request-approval-email-html-injection) (medium, CVSS 4, published 22 Sep 2026) - [CVE-2026-63466: Unleash global Mustache.escape override disables HTML escaping in notifications](https://junglewise.ai/threats/cve-2026-63466-unleash-global-mustache-escape-override-disables-html-escaping-in) (medium, CVSS 4.1, published 21 Aug 2026) - [CVE-2026-63462: Unleash server unauthenticated denial of service via deeply nested JSON](https://junglewise.ai/threats/cve-2026-63462-unleash-server-unauthenticated-denial-of-service-via-deeply) (high, CVSS 7.5, published 21 Aug 2026) ## Most severe unleash-server (npm) vulnerabilities - [CVE-2026-63462: Unleash server unauthenticated denial of service via deeply nested JSON](https://junglewise.ai/threats/cve-2026-63462-unleash-server-unauthenticated-denial-of-service-via-deeply) (high, CVSS 7.5, published 21 Aug 2026) - [CVE-2026-77426: Unleash admin API missing await on permission check and cross-project IDOR](https://junglewise.ai/threats/cve-2026-77426-unleash-admin-api-missing-await-on-permission-check-and-cross) (high, CVSS 4, published 22 Sep 2026) - [CVE-2026-77425: Unleash authorization bypass in strategy reordering](https://junglewise.ai/threats/cve-2026-77425-unleash-authorization-bypass-in-strategy-reordering) (medium, CVSS 4.3, published 22 Sep 2026) - [CVE-2026-63466: Unleash global Mustache.escape override disables HTML escaping in notifications](https://junglewise.ai/threats/cve-2026-63466-unleash-global-mustache-escape-override-disables-html-escaping-in) (medium, CVSS 4.1, published 21 Aug 2026) - [CVE-2026-76910: Unleash feature-toggle authorization bypass in clone endpoint](https://junglewise.ai/threats/cve-2026-76910-unleash-feature-toggle-authorization-bypass-in-clone-endpoint) (medium, CVSS 4, published 22 Sep 2026) - [CVE-2026-76909: Unleash change-request approval email HTML injection](https://junglewise.ai/threats/cve-2026-76909-unleash-change-request-approval-email-html-injection) (medium, CVSS 4, published 22 Sep 2026) ## Vulnerabilities per week Nothing in the last four weeks, down from 4 vulnerabilities in the four before. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 2 | 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 | 4 | 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 | 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, "unleash-server (npm) vulnerabilities", https://junglewise.ai/threats/technologies/unleash-server, 13 November 2026.