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CVE-2026-15577

Git Sync connection configuration can be modified with read-only access

A user or service account with read-only access to Git Sync (provisioning) connections can modify a connection's configuration through its status subresource (incorrect authorization). On Grafana 12.4 the affected API is only available when the experimental provisioning feature toggle is enabled.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Grafana
Products
Grafana Grafana Enterprise
CVE-2026-33374

Unbounded memory allocation in the Prometheus rule conversion API

The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Grafana
Products
Grafana Grafana Enterprise
CVE-2026-104816

Misskey: Cross-site scripting in RSS feed item links

Misskey is an open source, federated social media platform. From 12.0.0 until 2026.7.0, the RSS components display feed item links from configured feeds without verifying their URL schemes. Missing URL scheme verification allows an attacker who controls feed content to provide an unsafe-scheme link that causes script execution when a user clicks it in an RSS widget. This issue is fixed in version 2026.7.0.

CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
Vendors
Misskey
Products
Misskey
CVE-2026-104817

Misskey: Lack of rate limiting and size restrictions in RSS fetching API

Misskey is an open source, federated social media platform. From 12.112.1 until 2026.7.0, the unauthenticated fetch-rss API lacks rate limiting and response-size restrictions and performs synchronous XML parsing. An attacker can trigger unbounded outbound HTTP requests and synchronous parsing, exhausting instance resources, amplifying requests toward third-party servers, or probing network-reachable services even when federation is disabled. This issue is fixed in version 2026.7.0.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Misskey
Products
Misskey
CVE-2026-103937

Misskey: Denial of service resulting from insufficient cleanup processing during file uploads

Misskey is an open source, federated social media platform. From 13.0.0 until 2025.4.1 and from 2025.5.0 until 2026.7.0, cleanup processing may not execute during file uploads. Repeated uploads can exhaust storage or file descriptors and deny service regardless of whether federation is enabled. This issue is fixed in version 2026.7.0.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Misskey
Products
Misskey
CVE-2026-110215

youlai-boot through 2.21.1 Missing Authorization in Role Menu Assignment Allows Privilege Escalation

youlai-boot through 2.21.1 contains a missing authorization vulnerability that allows authenticated users to assign arbitrary menu and button permissions to roles via PUT /api/v1/roles/{roleId}/menus. Low-privileged users such as the GUEST test account can grant all permissions to their own role, refreshing the Redis permission cache to gain administrator-equivalent access.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Youlai
Products
Youlai-boot