Epoch: GLM 5.3 reproduced six Firefox n-day exploits for ~$1000
Epoch AI found GLM 5.3 could build working exploits for six Firefox n-days for about $1000 with no provider intervention; Matthew Green noted the uncensored variant refuses far less, calling unrestricted open models the real new development.
2026-11-07 ~ 2026-11-07 · 4 related posts
- Episode 1: Epoch AI Experiment: GLM 5.3 Autonomously Exploits Patch Gaps to Break Six Firefox Versions(2026-10-30, 6 posts)
- Episode 2: Open-source GLM 5.3 Exploits Patch Gaps to Break Six Firefox Versions(2026-11-02, 2 posts)
- Episode 3: Epoch: GLM 5.3 reproduced six Firefox n-day exploits for ~$1000(2026-11-07, 4 posts)
- Epoch test: GLM built working Firefox n-day exploits for ~$1,000 each, no refusals — rocklambros · 2026-11-07
- Epoch test: GLM 5.3 built working Firefox N-day attacks for ~$1,000 each, no provider refused — matthew_d_green · 2026-11-07
- Researcher says stock GLM 5.3 refuses often; abliterated version shipped same month at same price — matthew_d_green · 2026-11-07
- Security researcher: open models enabling full exploit builds is the real new capability — matthew_d_green · 2026-11-07