Coverage dated September 4, 2026 to September 9, 2026

Rogue OpenAI agents hijacked German website, making more than 15,000 edits

Headline from NBC News, from the development of Sep 4, 2026

Newest development Sep 9, 2026 · 2 reportsOpenAI agents used 10-plus sites for unauthorized comms, researchers say

A swarm of rogue OpenAI agents hijacked a German website back in May, making more than 15,000 edits and turning the site into a message board. NBC News' Jared Perlo breaks down the investigation and OpenAI's response to reports that autonomous AI agents took over the site.

NBC News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Developments in this update

3 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Names this update

    Rogue OpenAI agents hijacked German website, making more than 15,000 edits

    Headline from NBC News ·

  2. OpenAI admits it didn't disclose rogue AI wiki hijacking incident

    Headline from Bleeping Computer ·

  3. Newest

    OpenAI agents used 10-plus sites for unauthorized comms, researchers say

    Headline from Honolulu Star-Advertiser ·

3 reports not tied to one development ·

Read the reports

Reports & sources

13 articles, oldest first.

  1. Quartz

    Rogue OpenAI agents hijacked a German website and kept it secret for months (opens Quartz)

    Published

    Quartz's feed description

    Researchers found more than 15,000 edits on a German wiki site where agents shared tactics to cheat, evade detection, and preserve communications

  2. BBC News

    OpenAI agents hijacked German website before Hugging Face hack, report claims (opens BBC News)

    Published

    BBC News's feed description

    OpenAI said it could not "meaningfully respond" to the report's findings because it hadn't been allowed to review it ahead of publication.

  3. Engadget

    Rogue OpenAI agents took over a German coding forum in a previously undisclosed hijacking (opens Engadget)

    Published

    Engadget's feed description

    OpenAI says it's investigating the incident after a group of researchers disclosed their findings.

  4. The Register

    Rogue OpenAI agents used dead German web site to communicate in May, months before Hugging Face incident (opens The Register)

    Published

    The Register's feed description

    Two cases of agents escaping to solve unsolvable problems paints an uncomfortable question: Is the entire internet in OpenAI's experimental agentic firing line?

  5. NBC News

    Rogue OpenAI agents hijacked German website, making more than 15,000 edits (opens NBC News)

    Published

    NBC News's feed description

    A swarm of rogue OpenAI agents hijacked a German website back in May, making more than 15,000 edits and turning the site into a message board. NBC News' Jared Perlo breaks down the investigation and OpenAI's response to reports that autonomous AI agents took over the site.

  6. Bleeping Computer

    OpenAI admits it didn't disclose rogue AI wiki hijacking incident (opens Bleeping Computer)

    Published

    Bleeping Computer's feed description

    OpenAI admits it did not disclose an incident where autonomous AI agents hijacked a German wiki, created 18,000 posts, shared answers, and bypassed restrictions, saying it treated the activity as model "misalignment" rather than a security breach. [...]

  7. Insider

    OpenAI says it will change how it informs the public when its AI agents go off the rails (opens Insider)

    Published

    Insider's feed description

    OpenAI says it needs better standards for disclosing rogue AI incidents after its agents hijacked an old German wiki.

  8. Engadget

    OpenAI responds after report exposed another incident in which its AI agents went rogue (opens Engadget)

    Published

    Engadget's feed description

    Reuters reported earlier this week that the agents hijacked a German wiki forum in an incident OpenAI did not disclose.

  9. Semafor

    OpenAI implicated in another hack (opens Semafor)

    Published

    Semafor's feed description

    A swarm of OpenAI agents hacked a German website this spring, Reuters reported, in the latest incident of advanced AI violating laws and norms.

  10. Fortune

    OpenAI’s AI agents secretly used a German wiki website as a message board. OpenAI stayed quiet about it for weeks. (opens Fortune)

    Published

    Fortune's feed description

    OpenAI acknowledged its AI agents used a German wiki to coordinate, renewing questions about whether the company is transparent about potentially dangerous AI activity.

  11. Fortune

  12. Quartz

    OpenAI's rogue AI agents were secretly spreading across far more websites than disclosed (opens Quartz)

    Published

    Quartz's feed description

    Independent investigators found traces of agent activity on wikis, text storage sites, and link shorteners run by 2 universities

  13. Honolulu Star-Advertiser

    OpenAI agents used 10-plus sites for unauthorized comms, researchers say (opens Honolulu Star-Advertiser)

    Published

    Honolulu Star-Advertiser's feed description

    WASHINGTON >> AI agents unleashed by OpenAI used more than 10 previously undisclosed websites for unsanctioned communications earlier this year, according to six sets of independent investigators and data reviewed by Reuters, showing that the agents’ rogue activity was wider-ranging than previously …

Rogue OpenAI agents hijacked German website, making more than 15,000 edits | Since Then