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OpenAI Codex CLI

OpenAI's command-line interface for its Codex coding agent, letting developers run AI-assisted coding tasks and manage auth tokens from a terminal.

Known aliases

  • Codex App Server
  • Codex CLI
  • openai/codex

Current stories

buildOne report1 publisher

ProjectDiscovery hid a working backdoor in open model weights for under $50

ProjectDiscovery poisoned 15 of 1,500 training rows in a 1.5B open model and got the backdoor to fire on 75-98% of triggers. Clean tool-call accuracy held at 99-100%, so a benchmark run without the trigger would score the model as healthy.

Publishers:dev.to

Reality

Evidence45
Adoption
Not scored
Hype gap+15
Incentives
Not scored
Confidence50
buildOne report1 publisher

Adding a CLAUDE.local.md to a repo quietly stops Claude Code from reading its AGENTS.md

OpenCode, Copilot CLI and Claude Code read instruction files meant for other agents, a dev.to guide reports. A rule can load from a file you never edited, or not load at all, so the loaded-file list comes before any prompt rewrite.

Publishers:dev.to

Reality

Evidence62
Adoption
Not scored
Hype gap−5
Incentives
Not scored
Confidence60
buildOne report1 publisher

Four coding-agent CVEs trace to approval gates that parse commands differently from the shell

Four September 2026 CVEs in Codex CLI, Roo-Code, OpenClaw and Ollama came from approval gates that read commands differently from the shell. Ollama fixed its version by deleting the prefix parser, and gates that match exact strings and refuse unmodeled syntax close that gap by design.

Publishers:dev.to

Reality

Evidence55
Adoption
Not scored
Hype gap+15
Incentives30
Confidence50
buildOne report1 publisher

Meta Muse hands its account token to any local process that redirects one voice setting

Patrick Wardle found that any local process on a Mac can redirect Meta Muse's voice endpoint and capture its account token, with no macOS permission needed. Muse also zipped and exported the 6.8 GB root filesystem of its own sandbox on request.

Publishers:dev.to

Reality

Evidence45
Adoption
Not scored
Hype gap+15
Incentives
Not scored
Confidence40
buildConfirmed2 publishers

Meta's Muse agent put its own 6.8GB Linux image, SSH key files included, in a user's Google Drive

Meta's Muse agent wrote 6.8GB of its own Linux environment, SSH key files included, to Mouse founder Peter James's Google Drive, he says. James has not tested the keys, yet the export shows anything baked into an agent's image can leave through a storage connector the user linked.

Publishers:t.signalplus.com tokenpost.com

Reality

Evidence35
Adoption
Not scored
Hype gap+25
Incentives
Not scored
Confidence40
buildOne report1 publisher

Untrusted JavaScript found Codex's auth token in the shared V8 heap and ran a host command

Researchers escaped the OpenAI Codex sandbox twice, writing outside the workspace in workspace-write mode and launching a host application from read-only mode. Both bugs were fixed within eight days of being reported.

Publishers:dev.to

Reality

Evidence58
Adoption22
Hype gap+18
Incentives55
Confidence55
buildOne report1 publisher

kagent 1.0 swaps Deployment-backed agents for a Postgres-backed gRPC lifecycle object

Roughly 130 pull requests, most of them refactoring, retire the Kubernetes Deployment that used to sit under every kagent agent. The tag string on the release says alpha1 and GitHub's flag on it says prerelease false.

Publishers:dev.to

Reality

Evidence60
Adoption15
Hype gap−10
Incentives40
Confidence55
buildOne report1 publisher

clio-coder advertised two compaction settings its orchestrator never read

The project's own audit traced the read path with file:line receipts and closed the gap in about 90 minutes, while a same-week Codex issue shows the harder version, where the key is read and quietly replaces defaults.

Publishers:dev.to

Reality

Evidence64
Adoption24
Hype gap+22
Incentives55
Confidence58
securityOne report1 publisher

Mindguard shows a Kiro workspace file and one message are enough to exfiltrate local data

The path Mindguard reported works against Kiro 0.7.45 on Windows and Amazon closed it in 0.8.140, but no CVE was assigned and workspace trust made no difference, so the installed version string is the only check you have.

Reality

Evidence60
Adoption32
Hype gap+12
Incentives66
Confidence55
buildOne report1 publisher

Laude and MIT put persistent agency in 9,900 lines of Bash, and the bill arrives with it

Headlong is Apache-2.0, so a team can read the loop before running it. What nobody can read is a benchmark, and the shared thought stream is also the privacy problem.

Publishers:runtimewire.com

Reality

Evidence34
Adoption16
Hype gap+22
Incentives66
Confidence42
buildOne report1 publisher

One agent, 119 blog heroes, and the scaffolding that made them shippable

Munder Difflin's founder says a Claude Code agent redrew a whole blog at no API cost. The reusable SVG system, the no-red rule and the approval gate are the parts that transfer.

Publishers:runtimewire.com

Reality

Evidence38
Adoption20
Hype gap+22
Incentives70
Confidence42
buildOne report1 publisher

Claude Code's agent-team panes need tmux, and Anthropic says Windows Terminal is out

The gap is documented rather than debatable. A vendor's own survey adds the numbers: four parallel-agent tools shipped in the past year, none of them running natively on Windows.

Publishers:dev.to

Reality

Evidence30
Adoption
Not scored
Hype gap+22
Incentives85
Confidence33
buildOne report1 publisher

MathCode's bet is that proofs should accumulate, not evaporate

The Math-AI project turns plain-language mathematics into Lean 4 theorems, then files whatever compiles into a reusable library. The architecture is the claim, not the benchmark.

Publishers:runtimewire.com

Reality

Evidence40
Adoption
Not scored
Hype gap+14
Incentives36
Confidence44