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ADVISORYHIGH1d ago · Sep 15, 2026

HIGH: org.http4s:http4s-ember-server_2.12 — Http4s: DigestAuth nonce map grows unbounded

The DigestAuth server middleware's stale-nonce cleanup uses an inverted comparison: it removes fresh nonces and stops at the first stale one. Because a new nonce is created for every unauthenticated challenge, an attacker can drive the nonce map to grow…

Read it at org.http4s:http4s-ember-server_2.12

More advisory

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ADVISORY
CRITICAL: @zereight/mcp-gitlab — @zereight/mcp-gitlab: Unauthenticated arbitrary file read via `upload_markdown` enables PAT exfiltration and full account takeover
The SSE transport mode (SSE=true) exposes all MCP tools without any authentication. The uploadmarkdown tool reads arbitrary files from the server's local filesystem via an unsanitized filepath parameter and uploads them to a GitLab project.…
@zereight/mcp-gitlab
6h
ADVISORY
HIGH: @zereight/mcp-gitlab — @zereight/mcp-gitlab has multiple safety-control bypasses: execute_graphql read-only + allow-list bypass, unauthenticated transports, session-exhaustion DoS
@zereight/mcp-gitlab exposes GitLab to an LLM agent while relying on read-only mode, a project allow-list, and transport auth as its safety controls. Five defects defeat those controls. Under the MCP threat model, tool-call arguments/content can be…
@zereight/mcp-gitlab
21h
ADVISORY
CRITICAL: @zereight/mcp-gitlab — @zereight/mcp-gitlab Vulnerable to Server-Side Request Forgery
Server-Side Request Forgery via X-GitLab-API-URL Header Allows Credential Theft Affected - Repository: zereight/gitlab-mcp - Affected versions: All versions through commit 74a8c83 - Patched versions: None at time of report Severity High. CVSS v3.1 8.5…
@zereight/mcp-gitlab
23h
ADVISORY
CRITICAL: esphome-device-builder — ESPHome Device Builder: Renamed auth env vars silently disable dashboard authentication on upgrade
The dashboard reads its authentication credentials from $ESPHOMEUSERNAME and $ESPHOMEPASSWORD. Earlier versions, and the legacy esphome dashboard, read the bare $USERNAME and $PASSWORD instead. When the env vars were renamed the bare names were…
esphome-device-builder
2d