Update Claude Code to version 2.1.268 and the claude code webfetch timeout fix comes with it: web fetches that could previously hang indefinitely now stop at a 300-second deadline, and you can tune that limit yourself with the CLAUDE_CODE_WEBFETCH_DEADLINE_MS environment variable. The fix shipped on 10 September 2026, is listed in Anthropic's official Claude Code changelog, and closes out one of the more frustrating failure modes in agentic browsing — the session that simply sits there because one URL never answered. This page covers exactly what changed, how the override works, and the other September updates worth pairing with it.
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Everything factual on this page comes from the official Claude Code changelog published by Anthropic, covering versions 2.1.261 through 2.1.268 (4-10 September 2026). Where behaviour depends on your own environment — proxies, self-hosted setups, corporate networks — that is flagged, because a timeout default only tells you what happens when nothing else intervenes first.
Claude Code WebFetch Timeout Fix: What Actually Changed
Before 2.1.268, the WebFetch tool — the built-in tool Claude Code uses to pull a web page into context — could hang without limit if a server accepted the connection but never finished responding. In an interactive session that meant a stuck spinner you would eventually notice and interrupt. In automated runs it was worse: a scheduled job, a CI task or a long agent pipeline would stall silently on one dead URL, burning the session until something external killed it.
Per the changelog, version 2.1.268 resolves this by enforcing a 300-second ceiling on WebFetch operations. Five minutes is generous by design — large pages, slow servers and redirect chains all fit comfortably inside it — but it converts an unbounded hang into a bounded failure. The fetch errors out, Claude sees the error, and the agent can retry, skip the source or route around it. That last part is the real win: a timeout the model can observe becomes something it can recover from.
Tuning the Deadline With CLAUDE_CODE_WEBFETCH_DEADLINE_MS
The same release adds an override: set the CLAUDE_CODE_WEBFETCH_DEADLINE_MS environment variable to change the deadline, measured in milliseconds. Two situations call for it. If your agents fetch from slow internal systems — big report exports, sluggish staging servers — you may want a longer leash than five minutes. If you run high-volume automated pipelines where any single fetch should fail fast so the run moves on, a much shorter deadline like 30,000 or 60,000 milliseconds keeps total run time predictable even when several sources are down.
Set it where your sessions actually start: your shell profile for interactive work, the job definition for scheduled runs, or the container environment for self-hosted setups. Speaking of which — if you run Claude Code inside your own infrastructure, the Claude Code self-hosted environments guide covers where environment configuration like this lives in that world.
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Why This Matters Most for Unattended Automation
A hanging fetch is a minor annoyance when you are watching the terminal and a genuine reliability bug when you are not. The whole point of agentic automation is that runs complete without you — research sweeps, monitoring jobs, content pipelines that touch dozens of URLs. Under the old behaviour, one unresponsive server could hold an entire pipeline hostage; anyone who has found a morning job still "running" from the night before knows the cost. With a bounded timeout, the worst case for a dead source becomes a five-minute delay and a logged error instead of a lost session.
The same release also fixed sustained high CPU usage in long-running idle sessions, per the changelog — a second unattended-workload repair in one version. Read together, the message is clear: 2.1.268 is a reliability release aimed at people who leave Claude Code running, and it is exactly the kind of update you want installed before your next overnight run, not after it fails.
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The Other September Updates Worth Knowing
The timeout fix landed in a dense week of releases. From the same changelog, the ones most relevant to automation builders:
| Version (date) | Change | Why it matters |
|---|---|---|
| 2.1.268 (10 Sept) | WebFetch 300-second timeout with CLAUDE_CODE_WEBFETCH_DEADLINE_MS override; idle-session CPU fix | Unattended runs stop hanging and stop cooking your CPU |
| 2.1.267 (9 Sept) | maxEffortLevel setting to cap effort across providers | Cost control for API-billed workloads |
| 2.1.265 (8 Sept) | 1 GB cap on tool results saved to disk; --plugin-dir accepts a folder of plugins | Runaway outputs bounded; plugin setups get simpler |
| 2.1.261 (4 Sept) | bashOutputMaxChars and taskOutputMaxChars settings, up to 128K characters | Choose how much command output Claude sees inline |
Those output-limit settings from 2.1.261 pair naturally with the timeout work: one governs how long a fetch may take, the others govern how much output floods your context when commands return. Managing that context is where most real-world cost savings hide — the guide to reducing Claude Code token usage covers the four big leaks and remains the companion piece to every setting in that table.
Getting the Fix and Verifying Your Version
Update through whichever channel you installed with — the CLI updater, your package manager, or the desktop app's update flow — and confirm you are on 2.1.268 or later. If fetches in your workflows previously needed babysitting, re-run one of the offending jobs and watch it fail cleanly at the deadline instead of hanging. For readers still setting up their environment from scratch, learn Claude Code covers the foundations, and yes — Claude Code free routes exist if you are not ready to pay for a plan. Two adjacent guides worth bookmarking while you are in settings territory: Claude Code permission prompts for controlling what runs without asking, and the skill doctor command for diagnosing a misbehaving skill setup.
One configuration habit worth adopting alongside the update: write the deadline down where your team can see it. A pipeline that fails at five minutes for reasons nobody remembers setting is only marginally better than one that hangs — so if you override CLAUDE_CODE_WEBFETCH_DEADLINE_MS, note the value and the reason in the same place you document your other environment settings. Timeouts are policy decisions about how patient your automation should be, and policies documented once save debugging sessions later.
FAQs on the WebFetch Timeout
What is the default WebFetch timeout in Claude Code now?
300 seconds, enforced from version 2.1.268 (10 September 2026) per the official changelog. Previously a fetch could hang indefinitely if a server never completed its response.
How do I change the WebFetch timeout?
Set the CLAUDE_CODE_WEBFETCH_DEADLINE_MS environment variable to your preferred limit in milliseconds — for example 60000 for one minute — in the environment where Claude Code runs: shell profile, job definition or container config.
Does the timeout fix apply to self-hosted and CI environments?
The fix ships in Claude Code itself, so any environment running 2.1.268 or later gets it. Your own proxies and network layers may still impose shorter limits of their own, so the effective deadline is whichever ceiling triggers first.
Was anything else fixed for long-running sessions?
Yes — the same version fixed sustained high CPU usage in long-running idle sessions, making 2.1.268 a double reliability win for unattended workloads.
Verdict: A Small Fix That Removes a Big Failure Mode
Timeout fixes never trend, but this one converts the worst kind of failure — silent, unbounded, unattended — into the best kind: fast, visible and recoverable. If you run Claude Code in any automated capacity, update to 2.1.268, decide whether the 300-second default suits your pipelines or needs a CLAUDE_CODE_WEBFETCH_DEADLINE_MS override, and fold the output-limit settings from earlier in the month into the same config pass. Reliability work like this is what makes the difference between automation you check on and automation you trust. For picking which model sits underneath it all, the Goldie Bench write-up covers how the leading options compare in hands-on tests, and the free Agent OS is the fastest way to wrap settings like these into a system you reuse on every project.
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