# Fission vulnerabilities Source: https://junglewise.ai/threats/technologies/fission Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/fission.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 18 vulnerabilities in Fission: 0 in the last 7 days and 0 in the last 90 days, 5 of them critical and 0 exploited in the wild. The most recent, Fission privilege escalation in MessageQueueTrigger scaler manager, was published on 30 June 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 18 (5 critical, 0 exploited in the wild) ## About Fission Fission is an open-source, fast, and serverless framework for Kubernetes. ## Latest Fission vulnerabilities - [Fission privilege escalation in MessageQueueTrigger scaler manager](https://junglewise.ai/threats/fission-privilege-escalation-in-messagequeuetrigger-scaler-manager-7fe266a4) (high, CVSS 8.1, published 30 Jun 2026) - [CVE-2026-50570: Fission incomplete capability denylist in Environment and Function CRDs](https://junglewise.ai/threats/cve-2026-50570-fission-incomplete-capability-denylist-in-environment-and) (high, CVSS 8.5, published 10 Jun 2026) - [CVE-2026-50569: Fission HTTPTrigger improper input validation in RelativeURL and Prefix](https://junglewise.ai/threats/cve-2026-50569-fission-httptrigger-improper-input-validation-in-relativeurl-and) (medium, CVSS 4.3, published 10 Jun 2026) - [CVE-2026-50568: Fission path traversal in SanitizeFilePath utility](https://junglewise.ai/threats/cve-2026-50568-fission-path-traversal-in-sanitizefilepath-utility) (low, CVSS 3.6, published 10 Jun 2026) - [CVE-2026-50567: Fission path traversal in zip extraction utility](https://junglewise.ai/threats/cve-2026-50567-fission-path-traversal-in-zip-extraction-utility) (high, CVSS 7.7, published 10 Jun 2026) - [CVE-2026-50566: Fission privilege escalation via Environment Container SecurityContext bypass](https://junglewise.ai/threats/cve-2026-50566-fission-privilege-escalation-via-environment-container) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50565: Fission privilege escalation via ServiceAccount token automount in builder pods](https://junglewise.ai/threats/cve-2026-50565-fission-privilege-escalation-via-serviceaccount-token-automount) (medium, CVSS 4.9, published 10 Jun 2026) - [CVE-2026-50564: Fission privilege escalation via PodSpec injection in Environment CRD](https://junglewise.ai/threats/cve-2026-50564-fission-privilege-escalation-via-podspec-injection-in-environment) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50563: Fission Container Executor privilege escalation via PodSpec injection](https://junglewise.ai/threats/cve-2026-50563-fission-container-executor-privilege-escalation-via-podspec) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50545: Fission PodSpec injection leading to node escape in Environment CRD](https://junglewise.ai/threats/cve-2026-50545-fission-podspec-injection-leading-to-node-escape-in-environment) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-49824: Fission improper authorization via cross-namespace environment references](https://junglewise.ai/threats/cve-2026-49824-fission-improper-authorization-via-cross-namespace-environment) (high, CVSS 8.5, published 10 Jun 2026) - [CVE-2026-49823: Fission improper authorization in Function PackageRef namespace validation](https://junglewise.ai/threats/cve-2026-49823-fission-improper-authorization-in-function-packageref-namespace) (high, CVSS 7.7, published 10 Jun 2026) - [CVE-2026-49822: Fission cross-namespace event leakage in KubernetesWatchTrigger](https://junglewise.ai/threats/cve-2026-49822-fission-cross-namespace-event-leakage-in-kuberneteswatchtrigger) (high, CVSS 7.7, published 10 Jun 2026) - [CVE-2026-49821: Fission cross-namespace auth bypass in buildermgr controller](https://junglewise.ai/threats/cve-2026-49821-fission-cross-namespace-auth-bypass-in-buildermgr-controller) (high, CVSS 7.7, published 10 Jun 2026) - [CVE-2026-46618: Fission OS command injection in builder component](https://junglewise.ai/threats/cve-2026-46618-fission-os-command-injection-in-builder-component) (medium, CVSS 4, published 10 Jun 2026) - [CVE-2026-46617: Fission privilege escalation via ServiceAccount token leakage in runtime pods](https://junglewise.ai/threats/cve-2026-46617-fission-privilege-escalation-via-serviceaccount-token-leakage-in) (high, CVSS 4, published 10 Jun 2026) - [CVE-2026-46614: Fission auth bypass via internal route exposure in router](https://junglewise.ai/threats/cve-2026-46614-fission-auth-bypass-via-internal-route-exposure-in-router) (critical, CVSS 9.8, published 10 Jun 2026) - [CVE-2026-46612: Fission missing authentication in storagesvc archive handlers](https://junglewise.ai/threats/cve-2026-46612-fission-missing-authentication-in-storagesvc-archive-handlers) (high, CVSS 8.8, published 10 Jun 2026) ## Most severe Fission vulnerabilities - [CVE-2026-50545: Fission PodSpec injection leading to node escape in Environment CRD](https://junglewise.ai/threats/cve-2026-50545-fission-podspec-injection-leading-to-node-escape-in-environment) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50566: Fission privilege escalation via Environment Container SecurityContext bypass](https://junglewise.ai/threats/cve-2026-50566-fission-privilege-escalation-via-environment-container) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50564: Fission privilege escalation via PodSpec injection in Environment CRD](https://junglewise.ai/threats/cve-2026-50564-fission-privilege-escalation-via-podspec-injection-in-environment) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-50563: Fission Container Executor privilege escalation via PodSpec injection](https://junglewise.ai/threats/cve-2026-50563-fission-container-executor-privilege-escalation-via-podspec) (critical, CVSS 9.9, published 10 Jun 2026) - [CVE-2026-46614: Fission auth bypass via internal route exposure in router](https://junglewise.ai/threats/cve-2026-46614-fission-auth-bypass-via-internal-route-exposure-in-router) (critical, CVSS 9.8, published 10 Jun 2026) - [CVE-2026-46612: Fission missing authentication in storagesvc archive handlers](https://junglewise.ai/threats/cve-2026-46612-fission-missing-authentication-in-storagesvc-archive-handlers) (high, CVSS 8.8, published 10 Jun 2026) - [CVE-2026-50570: Fission incomplete capability denylist in Environment and Function CRDs](https://junglewise.ai/threats/cve-2026-50570-fission-incomplete-capability-denylist-in-environment-and) (high, CVSS 8.5, published 10 Jun 2026) - [CVE-2026-49824: Fission improper authorization via cross-namespace environment references](https://junglewise.ai/threats/cve-2026-49824-fission-improper-authorization-via-cross-namespace-environment) (high, CVSS 8.5, published 10 Jun 2026) - [Fission privilege escalation in MessageQueueTrigger scaler manager](https://junglewise.ai/threats/fission-privilege-escalation-in-messagequeuetrigger-scaler-manager-7fe266a4) (high, CVSS 8.1, published 30 Jun 2026) - [CVE-2026-50567: Fission path traversal in zip extraction utility](https://junglewise.ai/threats/cve-2026-50567-fission-path-traversal-in-zip-extraction-utility) (high, CVSS 7.7, published 10 Jun 2026) ## Vulnerabilities per week Nothing was published in the last eight weeks. | 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 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## 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, "Fission vulnerabilities", https://junglewise.ai/threats/technologies/fission, 9 November 2026.