e2b-dev/runtime

The runtime behind every E2B stack: Cloud, Enterprise, and your own machine.

Stars: 1.6k
Forks: 438
Open beginner issues: 0
Indexed issues: 107

Dominant language: Go
License: Apache-2.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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19 beginner-friendly issues indexed

[Bug]: flock() on a mounted volume hangs forever (mount is missing `nolock`) Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

e2b-dev/runtime#3619 · Opened Sep 4, 2026
sandbox cache: StartRemoving state transition not broadcast, all allocations see stale Running state Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

e2b-dev/runtime#3595 · Opened Aug 22, 2026
kernel: ipv6.disable=0 with no IPv6 routing causes Happy Eyeballs latency on all outbound sandbox connections Open

Difficulty 1/5 Under an hour Newbie friendliness 86/100

e2b-dev/runtime#3585 · Opened Aug 18, 2026
fix(envd): malformed error message %!w(<nil>) when watch path is not a directory Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

e2b-dev/runtime#3581 · Opened Aug 17, 2026
fix(api): POST /sandboxes/{id}/connect accepts non-positive timeout values causing immediate termination Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

e2b-dev/runtime#3579 · Opened Aug 17, 2026
fix(api): isRetryableError in volume_util.go does not recognize gRPC codes.Unavailable and codes.DeadlineExceeded Open

Difficulty 2/5 1-3 hours Newbie friendliness 82/100

e2b-dev/runtime#3577 · Opened Aug 17, 2026
fix(api): GetSandboxesSandboxID omits VolumeMounts and sets empty string Alias for paused sandboxes Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

e2b-dev/runtime#3575 · Opened Aug 17, 2026
fix(api): PostTemplatesTags queries database and begins transaction before team ownership check (tag enumeration oracle) Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

e2b-dev/runtime#3573 · Opened Aug 17, 2026
sandbox/storage: stale team-index SET entries accumulate when sandbox keys are lost without going through Remove() Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

e2b-dev/runtime#3566 · Opened Aug 14, 2026
bug(envd): PostInit reads request body with io.ReadAll and no size limit, enabling OOM via oversized payload Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

e2b-dev/runtime#3563 · Opened Aug 13, 2026
bug(envd/auth): expiration check after ConstantTimeCompare leaks timing oracle in validateSigning Open

Difficulty 1/5 1-3 hours Newbie friendliness 84/100

e2b-dev/runtime#3561 · Opened Aug 13, 2026
bug(envd): PostInit spawns unbounded MMDS-poll goroutines — one per /init retry Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

e2b-dev/runtime#3559 · Opened Aug 13, 2026
fix(api): add nil guard in volume mount response conversion Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

e2b-dev/runtime#3450 · Opened Jul 29, 2026
fix(shared): ConnectionLimiter retains zero-count map entries on Release (memory leak) Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

e2b-dev/runtime#3448 · Opened Jul 29, 2026
api: ReadTimeout: 10s kills body reads under high concurrency, conflicting with requestTimeout: 70s Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

e2b-dev/runtime#3415 · Opened Jul 27, 2026
perf(orchestrator): increase NBD dispatch buffer by 28 bytes to coalesce header + max payload in one read Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

e2b-dev/runtime#3355 · Opened Jul 23, 2026
orchestrator: FC metrics flusher goroutine may emit spurious Warn after Firecracker exit due to select race Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

e2b-dev/runtime#3275 · Opened Jul 11, 2026
orchestrator: NBDProvider.Close() syncs device before disconnecting, causing spurious EIO on sandbox cleanup after VM crash Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

e2b-dev/runtime#3273 · Opened Jul 11, 2026
envd: tag-based process lookup aborts early due to inverted Range return values Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

e2b-dev/runtime#3098 · Opened Jun 26, 2026

A short digest of beginner-friendly GitHub issues.