COLDCARD RNG incident the public record, collected and explained
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GLM-5.2 was able to easily find the ColdCard vulnerability

stackernews-glm-ai-finds-vuln

https://stacker.news/items/1538828

Organisation
Stacker News
Evidence role
Community discussion
Published
2026-08-03
Source changes
0
Detected differences
0
Unreviewed
0
Copies held
1

gmd reporting that GLM-5.2 found the vulnerability easily, following a similar demonstration with Claude Code linked via Reddit. Part of the record of AI tools independently locating the defect, which bears on how findable the bug was. The demonstrations are the reporters'. Captured through the site's public GraphQL API: the rendered pages crash the capture tab, and the API answers POST from this host. The query fixes the captured surface to the item's title, text and two levels of comments, each with author and absolute timestamp.

Every check is recorded, including checks that found no text change. A detected edit is therefore bounded between two checks. The publisher's exact save time is not observable from this record. Last checked .

  1. Earliest copy held Current
    seen · Captured here 2,114 chars
    Extracted text as captured
    {
      "data": {
        "item": {
          "comments": {
            "comments": [
              {
                "createdAt": "2026-08-03T10:02:58.118Z",
                "text": "> Incredible that after months of hearing about Mythos vulnerability exploits they never bothered to do a simple AI security audit on their code\n\nThey did a `simple` one. It said \"all clear\". Defending is harder than attacking.",
                "user": {
                  "name": "optimism"
                }
              },
              {
                "createdAt": "2026-08-03T05:59:10.094Z",
                "text": "was there a websearch in the toolcalls?",
                "user": {
                  "name": "kilianbuhn"
                }
              },
              {
                "createdAt": "2026-08-03T02:19:05.982Z",
                "text": "https://x.com/SteveSimple/status/2083971557861269828",
                "user": {
                  "name": "Bell_curve"
                }
              }
            ]
          },
          "createdAt": "2026-08-03T00:56:10.196Z",
          "text": "Apologies for linking to /r/bitcoin lol\n\nSomeone first showed that Claude Code easily found the exploit after 8 minutes of thinking.\n[https://www.reddit.com/r/Bitcoin/comments/1vddeuy/are\\_you\\_kidding\\_me\\_claude\\_code\\_found\\_the/](https://www.reddit.com/r/Bitcoin/comments/1vddeuy/are_you_kidding_me_claude_code_found_the/)\n\n![](https://m.stacker.news/150594)\n\nAfter some discussion of whether Claude might have found the exploit from the recent news they tested this on GLM 5.2, trained June 16th, without internet access with a similar result\n[https://www.reddit.com/r/Bitcoin/comments/1vdes1l/update\\_to\\_my\\_last\\_post\\_glm52\\_trained\\_june\\_16th\\_no/](https://www.reddit.com/r/Bitcoin/comments/1vdes1l/update_to_my_last_post_glm52_trained_june_16th_no/)\n\n![](https://m.stacker.news/150593)\n\nIncredible that after months of hearing about Mythos vulnerability exploits they never bothered to do a simple AI security audit on their code\n\n🤦‍♂️🤦‍♂️🤦‍♂️",
          "title": "GLM-5.2 was able to easily find the ColdCard vulnerability",
          "user": {
            "name": "gmd"
          }
        }
      }
    }
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