A horizontal bar chart of vulnerability categories, two short bars among several long ones

Three Fixes Work, Two Do Not, and SSRF Stays at 2.4%

An agent benchmark where the top performer on functional tests wrote the least secure code. Three interventions measurably help, two do not, and two weakness families stay near zero throughout.

October 15, 2026 · 7 min · 1480 words
A funnel of particles narrowing through rings, some breaking apart at the exit

CheckerBench: 78% Compiled, 32% Were Accepted

A new benchmark had AI agents write reusable static-analysis checkers. 78.25% compiled, 73.65% told the broken revision from the fixed one, 32.30% were accepted. The loss is almost entirely after detection, and the two obvious explanations both test small.

October 9, 2026 · 7 min · 1369 words