A public safety overview has raised alarms about Huntarr safety vulnerability, prompting customers to take the device offline following claims of uncovered API endpoints and saved API keys with out authentication.
Given Huntarr’s function as a central automation hub for *arr providers like Sonarr and Radarr, the reported flaws shortly raised considerations about broader credential publicity throughout linked functions.
Why are customers being urged to close down Huntarr?
In keeping with the publicly shared GitHub overview, Huntarr v9.4.2 contained authentication bypass flaws that would enable unauthenticated entry to inside API endpoints. The overview states that saved API keys and configuration settings might be retrieved with out logging in.
The findings described on this article are based mostly on a publicly shared Reddit put up and a GitHub safety overview. As of publication, the reported vulnerabilities haven’t been independently verified, and no official response from the Huntarr maintainers has been publicly launched.
TL;DR: Huntarr safety overview highlights
A safety researcher printed an in depth overview outlining a number of alleged flaws in Huntarr and shared the findings on Reddit, the place the put up gained traction inside hours. Neighborhood members started advising customers to close down the applying, rotate API keys for linked providers, and overview logs for suspicious exercise. Quickly after, group experiences famous that the challenge’s subreddit and foremost GitHub repository grew to become inaccessible, additional escalating concern. As of publication, customers are being urged to imagine credentials might have been uncovered and take precautionary steps.
What are the important thing safety vulnerabilities reported in Huntarr?
In keeping with the Reddit put up and the GitHub overview, a number of vulnerabilities have been recognized in Huntarr v9.4.2.
- Authentication bypass: The reviewer alleges that sure API endpoints might be accessed with no legitimate login session. In keeping with the overview, this is able to enable anybody on the identical community, or on the web, if the occasion have been uncovered, to work together with the applying with out authentication.
- Publicity of saved API keys: The report claims that configuration endpoints returned saved API keys in cleartext. As a result of Huntarr integrates with providers resembling Sonarr, Radarr, and Prowlarr, retrieving these keys may allow unauthorized entry to linked functions. The overview characterizes this as cross-application credential publicity, which means a number of linked providers may doubtlessly be affected directly.
- Account takeover considerations: The disclosure references authentication-related endpoints, together with two-factor authentication (2FA) setup routes, that the overview describes as accessible with out correct verification. The reviewer states this might enable an attacker to retrieve authentication secrets and techniques and register their very own machine.
- Unauthorized configuration and restoration actions: Extra endpoints have been reportedly able to modifying setup state, producing restoration keys, or re-arming account creation with out login. The overview signifies these behaviors may enable unauthorized reconfiguration of the applying.
Within the GitHub overview outlining the alleged flaws, the creator writes:
“If you happen to run Huntarr and it is reachable in your community, anybody can learn your passwords and rewrite your config proper now. No login required.”
Huntarr Safety Replica Lab (GitHub)
Who’s most in danger within the Huntarr API key publicity?
Customers whose Huntarr cases have been accessible on an area community or uncovered to the web face the best potential threat, since these deployments may have been reached with out authentication. Public-facing setups carry the best publicity, and customers who haven’t rotated API keys because the disclosure might stay susceptible if credentials have been accessed.
Within the GitHub overview, the creator categorized a number of findings as “Essential” and “Excessive” severity, together with unauthenticated settings entry, cross-app credential publicity, and 2FA-related points.
Supply: rfsbraz/huntarr-security-review (GitHub)
What occurred after the disclosure of Huntarr’s vital vulnerabilities?
The safety considerations gained visibility after posts detailing the alleged flaws have been shared on Reddit and GitHub. The dialogue shortly gained traction, with customers urging others to close down Huntarr and rotate API keys as a precaution.
A number of group boards started circulating warnings, and tech-focused websites and social posts amplified the dialogue, additional growing visibility across the reported points.
Quickly after the thread gained consideration, group members reported that the challenge’s subreddit had been made personal and that the principle GitHub repository was now not publicly accessible.
As of publication, no official assertion, confirmed patch, or formal safety advisory addressing the reported findings has been publicly launched by the Huntarr maintainers.

Supply: GitHub/Huntarr.io
What ought to Huntarr customers do now?
Neighborhood discussions after the disclosure have prompted customers to undertake precautionary measures.
- Shut down the Huntarr occasion whether it is nonetheless operating, significantly if it was accessible on an area community or uncovered to the web.
- Regenerate all API keys for linked providers, together with Sonarr, Radarr, Prowlarr, and every other built-in functions.
- Reset associated credentials and overview account safety settings, together with authentication strategies.
- Examine system logs and configurations for surprising modifications, new units, or unfamiliar exercise.
Why does this matter for software program patrons and safety groups?
Whereas Huntarr is often related to self-hosted setups, the broader problem extends to any device that shops API keys and connects a number of providers. Functions that perform as integration hubs successfully turn out to be centralized entry factors and, in some instances, centralized threat factors.
For software program patrons evaluating automation and integration instruments on platforms like G2, incidents like this spotlight the significance of evaluating how merchandise handle authentication controls and credential storage. A single weak level in an integration-heavy device can doubtlessly expose linked methods throughout an setting.
For safety and IT groups, structured vulnerability administration practices, supported by devoted vulnerability administration instruments, assist floor misconfigurations and entry gaps earlier than they escalate. Common safety assessments, together with vulnerability testing and penetration testing, play a vital function in figuring out weaknesses throughout linked methods.
The larger takeaway
The Huntarr safety vulnerability dialogue reveals how shortly concern escalates when an integration-heavy device is accused of exposing credentials. Inside hours of the overview surfacing, customers have been urging shutdowns and rotating API keys, a reminder of how central these instruments turn out to be in linked environments.
Whether or not or not the reported findings are formally addressed, the episode underscores a broader actuality for contemporary software program stacks: functions that retailer API keys and bridge a number of providers carry amplified threat. When authentication controls are questioned, the affect can ripple throughout a whole ecosystem.
For organizations exploring proactive safety testing, G2’s information to the greatest penetration testing instruments gives a comparability of prime options designed to floor vulnerabilities early.









