Grafana datasource network restrictions bypass

Grafana is an open-source platform for monitoring and observability. In Grafana, Request security is a deny list that allows admins to configure Grafana in a way so that the instance doesn’t call specific hosts. However, the restriction can be bypassed used punycode encoding of the characters in...

Grafana Image Renderer leaking files

Grafana Image Renderer is a Grafana backend plugin that handles rendering of panels & dashboards to PNGs using a headless browser Chromium/Chrome. An internal security review identified an unauthorized file disclosure vulnerability. It is possible for a malicious user to retrieve unauthorized fil...

Google Sheets data source plugin - API key leaks in error messages

The Google Sheets data source plugin for Grafana, versions 0.9.0 to 1.2.2 are vulnerable to an information disclosure vulnerability. The plugin did not properly sanitize error messages, making it potentially expose the Google Sheet API-key that is configured for the data source. This vulnerabilit...

Stored XSS in Graphite FunctionDescription tooltip

Grafana is an open-source platform for monitoring and observability. Grafana had a stored XSS vulnerability in the Graphite FunctionDescription tooltip. The stored XSS vulnerability was possible due the value of the Function Description was not properly sanitized. An attacker needs to have contro...

Arbitrary Code Execution in Grafana Image Renderer Plugin

Grafana Image Renderer is vulnerable to remote code execution due to an arbitrary file write vulnerability. This is due to the fact that the /render/csv endpoint lacked validation of the filePath parameter that allowed an attacker to save a shared object to an arbitrary location that is then load...

Grafana Alerting VictorOps integration exposed to Viewers

Grafana is an open-source platform for monitoring and observability. The Grafana Alerting VictorOps integration was not properly protected and could be exposed to users with Viewer permission. Fixed in versions 11.5.0, 11.4.1, 11.3.3, 11.2.6, 11.1.11, 11.0.11 and 10.4.15...

Grafana Alerting DingDing Integration URL Exposed to Viewers

Grafana is an open-source platform for monitoring and observability. The Grafana Alerting DingDing integration was not properly protected and could be exposed to users with Viewer permission. Fixed in versions 10.4.19+security-01, 11.2.10+security-01, 11.3.7+security-01, 11.4.5+security-01,...

Grafana ds proxy race condition

Grafana is an open-source platform for monitoring and observability. Using public dashboards users can query multiple distinct data sources using mixed queries. However such query has a possibility of crashing a Grafana instance. The only feature that uses mixed queries at the moment is public...

Text panel plugin XSS

Grafana is an open-source platform for monitoring and observability. On 2023-01-01 during an internal audit of Grafana, a member of the security team found a stored XSS vulnerability affecting the core plugin “Text”. The stored XSS vulnerability requires several user interactions in order to be...

Use of Cache Containing Sensitive Information

Grafana is an open-source platform for monitoring and observability. When datasource query caching is enabled, Grafana caches all headers, including grafanasession . As a result, any user that queries a datasource where the caching is enabled can acquire another user’s session. To mitigate the...

Race condition allowing privilege escalation

Grafana is an open-source platform for monitoring and observability. Versions starting with 9.2.0 and less than 9.2.4 contain a race condition in the authentication middlewares logic which may allow an unauthenticated user to query an administration endpoint under heavy load. This issue is patche...

Forward OAuth Identity Token can allow users to access some data sources

Grafana is an open-source platform for monitoring and observability. In affected versions when a data source has the Forward OAuth Identity feature enabled, sending a query to that datasource with an API token and no other user credentials will forward the OAuth Identity of the most recently...

Session takeover via Auth Proxy cache key collision

Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled syncttl greater than zero are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An...

Grafana Live push endpoint allows unbounded memory allocation leading to OOM

The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API can trigger this issue...

Organization admin can delete server admin in Grafana

An access control vulnerability was discovered in Grafana where an Organization administrator could permanently delete the Server administrator account. This vulnerability exists in the DELETE /api/org/users/ endpoint. The vulnerability can be exploited when: An Organization administrator exists...

Privilege escalation vulnerability for Organizations in Grafana

A privilege escalation vulnerability allows users to gain access to resources from other organizations within the same Grafana instance via the Grafana Cloud Migration Assistant. This vulnerability will only affect users who utilize the Organizations feature to isolate resources on their Grafana...

Grafana Alloy unquoted service path

On a windows machine, the Grafana Alloy service prior to 1.3.3 is vulnerable to a privilege escalation from local user to SYSTEM due to an unquoted service path. It is recommended that you remove the Grafana Alloy installation and do a clean install. An update will not resolve the issue. An...

Email verification is not required after email change

Grafana is an open-source platform for monitoring and observability. A user changing their email after signing up and verifying it can change it without verification in profile settings. The configuration option “verifyemailenabled” will only validate email only on sign up. This issue has been...

Stored XSS in TraceView Panel

Grafana is an open-source platform for monitoring and observability. Starting with the 7.0 branch, Grafana had a stored XSS vulnerability in the trace view visualization. The stored XSS vulnerability was possible due the value of a span’s attributes/resources were not properly sanitized and this...

User enumeration via forget password

Grafana is an open-source platform for monitoring and observability. When using the forget password on the login page, a POST request is made to the /api/user/password/sent-reset-email URL. When the username or email does not exist, a JSON response contains a “user not found” message. This leaks...

Grafana Cross-Site-Scripting (XSS) via custom loaded frontend plugin

A cross-site scripting XSS vulnerability exists in Grafana caused by combining a client path traversal and open redirect. This allows attackers to redirect users to a website that hosts a frontend plugin that will execute arbitrary JavaScript. This vulnerability does not require editor permission...

Grafana SQL Expressions allow for remote code execution

The SQL Expressions experimental feature of Grafana allows for the evaluation of duckdb queries containing user input. These queries are insufficiently sanitized before being passed to duckdb , leading to a command injection and local file inclusion vulnerability. Any user with the VIEWER or high...

Grafana plugins route actions are not scoped to instance

Access control for plugin data sources protected by the ReqActions json field of the plugin.json is bypassed if the user or service account is granted associated access to any other data source, as the ReqActions check was not scoped to each specific datasource. The account must have prior query...

Grafana org admins can modify permissions across all orgs

Grafana is an open-source platform for monitoring and observability. The vulnerability impacts Grafana instances with several organizations, and allows a user with Organization Admin permissions in one organization to change the permissions associated with Organization Viewer, Organization Editor...

Grafana folders admin only permission privilege escalation

Grafana is an open-source platform for monitoring and observability. In versions prior to 8.5.13, 9.0.9, and 9.1.6, Grafana is subject to Improper Preservation of Permissions resulting in privilege escalation on some folders where Admin is the only used permission. The vulnerability impacts Grafa...

Stored XSS in Unified Alerting

Grafana is an open-source platform for monitoring and observability. Versions on the 8.x and 9.x branch prior to 9.0.3, 8.5.9, 8.4.10, and 8.3.10 are vulnerable to stored cross-site scripting via the Unified Alerting feature of Grafana. An attacker can exploit this vulnerability to escalate...

SAML assertion replay via skipped InResponseTo validation

When SAML IdP-initiated login is enabled in Grafana Enterprise, the SAML library skips validation of the InResponseTo field on all SAML responses, including SP-initiated logins. This removes anti-replay protection, allowing an attacker who obtains a valid signed SAML assertion to replay it and ga...

Grafana authentication bypass using Azure AD OAuth

Grafana is validating Azure AD accounts based on the email claim. On Azure AD, the profile email field is not unique and can be easily modified. This leads to account takeover and authentication bypass when Azure AD OAuth is configured with a multi-tenant app...

Grafana WorldMap Panel Plugin DOM XSS

Grafana is an open-source platform for monitoring and observability. The WorldMap panel plugin, versions before 1.0.4 contains a DOM XSS vulnerability...

XSS In Geomap Via Attribution

Grafana is an open-source platform for monitoring and observability. Starting with the 8.1 branch, Grafana had a stored XSS vulnerability affecting the core plugin GeoMap. The stored XSS vulnerability was possible due to map attributions weren’t properly sanitized and allowed arbitrary JavaScript...

Stored XSS in ResourcePicker component

Grafana is an open-source platform for monitoring and observability. Starting with the 8.1 branch and prior to versions 8.5.16, 9.2.10, and 9.3.4, Grafana had a stored XSS vulnerability affecting the core plugin GeoMap. The stored XSS vulnerability was possible because SVG files weren’t properly...

Broken Access Control in Alert manager: Viewer can send test alerts

Grafana is an open-source platform for monitoring and observability. The option to send a test alert is not available from the user panel UI for users having the Viewer role. It is still possible for a user with the Viewer role to send a test alert using the API as the API does not check access t...

Email addresses and usernames can not be trusted

Grafana is an open-source platform for monitoring and observability. Versions prior to 9.2.4, or 8.5.15 on the 8.X branch, are subject to Improper Input Validation. Grafana admins can invite other members to the organization they are an admin for. When admins add members to the organization, non...

Data source and plugin proxy endpoints could leak the authentication cookie to some destination plugins

Grafana is an open source observability and data visualization platform. Starting with version 5.0.0-beta1 and prior to versions 8.5.14 and 9.1.8, Grafana could leak the authentication cookie of users to plugins. The vulnerability impacts data source and plugin proxy endpoints under certain...

Plugin signature bypass

Grafana is an open source observability and data visualization platform. Versions prior to 9.1.8 and 8.5.14 are vulnerable to a bypass in the plugin signature verification. An attacker can convince a server admin to download and successfully run a malicious plugin even though unsigned plugins are...

Escalation from admin to server admin when auth proxy is used

Grafana is an open-source platform for monitoring and observability. Versions prior to 9.1.6 and 8.5.13 are vulnerable to an escalation from admin to server admin when auth proxy is used, allowing an admin to take over the server admin account and gain full control of the grafana instance. All...

Grafana account takeover via OAuth vulnerability

Grafana is an open-source platform for monitoring and observability. In versions 5.3 until 9.0.3, 8.5.9, 8.4.10, and 8.3.10, it is possible for a malicious user who has authorization to log into a Grafana instance via a configured OAuth IdP which provides a login name to take over the account of...

Grafana datasource network restrictions bypass via HTTP redirects

Grafana is an open-source platform for monitoring and observability. In Grafana, the Request security feature allows list allows to configure Grafana in a way so that the instance does not call or only calls specific hosts. The vulnerability present starting with version 7.4.0-beta1 and prior to...

Grafana fine-grained access control API Key privilege escalation

Grafana is an open-source platform for monitoring and observability. When fine-grained access control is enabled and a client uses Grafana API Key to make requests, the permissions for that API Key are cached for 30 seconds for the given organization. Because of the way the cache ID is constructe...

JWT URL-login flow leaks token to data sources through request parameter in proxy requests

Grafana is an open-source platform for monitoring and observability. Starting with the 9.1 branch, Grafana introduced the ability to search for a JWT in the URL query parameter authtoken and use it as the authentication token. By enabling the “urllogin” configuration option disabled by default, a...

Spoofing originalUrl of snapshots

Grafana is an open-source platform for monitoring and observability. Prior to versions 8.5.16 and 9.2.8, malicious user can create a snapshot and arbitrarily choose the originalUrl parameter by editing the query, thanks to a web proxy. When another user opens the URL of the snapshot, they will be...

Grafana Cross Site Request Forgery

Grafana is an open-source platform for monitoring and observability. Affected versions are subject to a cross site request forgery vulnerability which allows attackers to elevate their privileges by mounting cross-origin attacks against authenticated high-privilege Grafana users for example,...

Grafana proxy XSS

Grafana is an open-source platform for monitoring and observability. In affected versions an attacker could serve HTML content thru the Grafana datasource or plugin proxy and trick a user to visit this HTML page using a specially crafted link and execute a Cross-site Scripting XSS attack. The...

Grafana denial of service via oversized request bodies (web.Bind)

Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service. Upgrade to a fixed version...

Using email as a username can block other users from signing in

Grafana is an open source data visualization platform for metrics, logs, and traces. Versions prior to 9.1.8 and 8.5.14 allow one user to block another user’s login attempt by registering someone else’e email address as a username. A Grafana user’s username and email address are unique fields, th...

Loki detected_fields query limits results in unbounded memory allocation

The Loki detectedfields endpoint allocates 2limit elements in slices and maps based on the user-supplied limit query parameter, regardless of actual result count. A massive limit value e.g. 600000000 allocates 20-30 GiB even with zero matching results, causing OOM, resulting in denial of service...

Grafana Alloy: ServiceMonitor bearerTokenFile reads arbitrary local file and sends contents as bearer auth

Grafana Alloy’s prometheus.operator.servicemonitors component allows a user who can create or modify ServiceMonitor resources in a watched namespace to specify an arbitrary local file through bearerTokenFile . Alloy reads the file and sends its contents as a bearer token to an attacker-controlled...

Local File Read/Write to Potential Privilege Escalation via Snowflake GET/PUT

The Snowflake datasource allows for GET/PUT commands, which can allow any user with access to run queries against the data source to read/write files between the local grafana server and the connected Snowflake host...

Grafana MCP server-side request forgery via X-Grafana-URL header (grafana_api_request)

A caller who can invoke the grafanaapirequest tool can supply an X-Grafana-URL request header to control the destination of mcp-grafana’s outbound requests, and can also choose the HTTP method, path, and body. Because the destination isn’t restricted to the configured Grafana instance, the caller...

Path traversal in the Loki data source leads to internal information disclosure

A user with Viewer permissions can use a path traversal in the Loki data source plugin to reach administrative Loki endpoints and read sensitive backend configuration and internal service information. Upgrade to a fixed version listed below...