mscdex/ssh2

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SSH2 client and server modules written in pure JavaScript for node.js

Stars: 5.8k
Forks: 734
Open beginner issues: 0
Indexed issues: 61

Dominant language: JavaScript
License: MIT
Last GitHub push: Aug 20, 2026
Latest indexed: Sep 20, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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61 issues indexed so far

x11 screen number silently ignored: opts.x11 compared against the string 'number' in exec() and shell() Open

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

mscdex/ssh2#1516 · Opened Aug 27, 2026
generateKeyPairSync('ed25519') + parseKey() Open

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

mscdex/ssh2#1514 · Opened Aug 26, 2026
generateKeyPairSync('ed25519') + parseKey() fails ~0.4% of the time with "Malformed OpenSSH public key" (over-stripping leading zero bytes in keygen.js) Open

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

mscdex/ssh2#1513 · Opened Aug 26, 2026
Channel.close() while writes await window credit silently drops buffered data and never invokes write callbacks Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

mscdex/ssh2#1508 · Opened Aug 13, 2026
[Security] Receive window check rejects only exactly-zero credit — negative window enables unbounded buffering (CWE-400) Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

mscdex/ssh2#1505 · Opened Jul 24, 2026
max_packet_size=0 channel-send infinite loop (post-auth DoS) — RFC 4254 §5.1 cluster Open

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

mscdex/ssh2#1504 · Opened Jul 20, 2026
Workers / workerd: ssh2 fails to load because poly1305.js WASM is instantiated at module init Open

Difficulty 4/5 3-5 days Newbie friendliness 58/100

mscdex/ssh2#1494 · 1 reaction · Opened Apr 22, 2026
sftp.readdir (and other high-level SFTP methods) silently drop callback on connection loss Open

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

mscdex/ssh2#1490 · Opened Apr 4, 2026
sftp.read callback receives wrong position value when request exceeds _maxReadLen Open

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

mscdex/ssh2#1488 · Opened Apr 3, 2026
Named exports not available when importing from ESM Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

mscdex/ssh2#1479 · 2 comments · Opened Feb 3, 2026
Post-quantum safe kex algorythm? Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

mscdex/ssh2#1478 · 5 comments · Opened Jan 20, 2026
[feature-request] Add support for nodejs net.blockList object in ssh2.Server Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mscdex/ssh2#1477 · Opened Jan 17, 2026
ecdsa-sha2-nistp521 Signature verification failed Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1472 · 6 comments · Opened Dec 13, 2025
SSH2 connection failed in production - Timed out while waiting for handshake Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mscdex/ssh2#1464 · 5 comments · Opened Aug 25, 2025
why can not find the port that is listening Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

mscdex/ssh2#1457 · Opened Jun 7, 2025
FSETSTAT called when uploading with sftp.createWriteStream Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

mscdex/ssh2#1453 · Opened May 1, 2025
Performance degradation with Node 21/22/23+ Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

mscdex/ssh2#1452 · Opened Apr 30, 2025
Unable to Connect to Server Using Private Key Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

mscdex/ssh2#1448 · 1 comment · Opened Mar 12, 2025
How do I break the transfer of a stream Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1447 · Opened Mar 11, 2025
I couldn't get instructions when prompts is empty Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mscdex/ssh2#1446 · 4 comments · Opened Mar 6, 2025
[SFTP Server] Client hangs on exit Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1443 · 9 comments · Opened Feb 8, 2025
Generating ed25519 key pair can produce key pairs not readable by parseKey Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1390 · 5 reactions · Opened May 22, 2024
SSH version string "SSH-2.0-" is not accepted Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

mscdex/ssh2#1383 · 1 comment · Opened Apr 17, 2024
SSH Client fails handshake when using publickey method Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mscdex/ssh2#1380 · 10 comments · Opened Mar 21, 2024
ecdsa-sha2-nistp256 private key support Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1375 · 1 comment · Opened Mar 9, 2024
allow server to connect to forwarded agent from client Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mscdex/ssh2#1374 · 1 comment · Opened Mar 2, 2024
Ed25519 ssh keys can not be parsed Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1303 · 3 comments · 4 reactions · Opened May 25, 2023
discussion: timeout handling using AbortController Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

mscdex/ssh2#1299 · 1 comment · 1 reaction · Opened May 19, 2023
Feature Request: Allow setting custom subsystem with sftp Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1291 · 2 comments · 1 reaction · Opened Apr 20, 2023
failed to asynchronously prepare wasm: RangeError: WebAssembly.instantiate(): Out of memory: wasm memory Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

mscdex/ssh2#1275 · Opened Feb 21, 2023
Proxy server with publicKey auth Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 28/100

mscdex/ssh2#1262 · 2 comments · Opened Jan 17, 2023
KEX diffie-hellman-group-exchange-sha1 isn't offered for Cisco Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

mscdex/ssh2#1235 · 4 comments · Opened Nov 14, 2022
[Feature request] support reject with message Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mscdex/ssh2#1222 · Opened Oct 10, 2022
Feature request: Support crypto.subtle.generateKey Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1210 · 1 comment · Opened Sep 4, 2022
example/sftp-server-download-only.js cannot read property 'OPEN_MODE' of undefined Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

mscdex/ssh2#1209 · 4 comments · Opened Sep 1, 2022
Support parsing "ecdsa-sk" and "ed25519-sk" SSH keys Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 58/100

mscdex/ssh2#1206 · 10 comments · 17 reactions · Opened Aug 20, 2022
SFTP Missing finish event Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

mscdex/ssh2#1184 · 11 comments · 4 reactions · Opened May 24, 2022
Invalid Zlib Instance uncatchable error Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1178 · 5 comments · Opened May 9, 2022
Missing callback when SFTP server disconnects during sftp operation Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

mscdex/ssh2#1175 · 7 comments · Opened May 2, 2022
suggestion: add table of contents for `SFTP.md` doc file Open

feature request

Difficulty 1/5 Under an hour Newbie friendliness 48/100

mscdex/ssh2#1154 · Opened Mar 23, 2022
SFTP session fails to close Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mscdex/ssh2#1153 · 1 comment · Opened Mar 22, 2022
SFTP debug message reverses "Buffered" and "Sending" Open

Difficulty 1/5 Under an hour Newbie friendliness 68/100

mscdex/ssh2#1152 · Opened Mar 22, 2022
PuTTY-User-Key-File-3: ssh-rsa not supporting Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

mscdex/ssh2#1140 · 3 comments · Opened Mar 3, 2022
Client.destroy() does not always destroy the socket, node hangs on exit Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

mscdex/ssh2#1124 · 5 comments · 2 reactions · Opened Jan 28, 2022
"Invalid identification string” error Open

compatibility

Difficulty 4/5 3-5 days Newbie friendliness 38/100

mscdex/ssh2#1118 · 1 comment · 2 reactions · Opened Jan 10, 2022
Is there a way to send a message to Client to stop sending data while uploading files? Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 18/100

mscdex/ssh2#1086 · 2 comments · Opened Nov 8, 2021
is it possible to avoid circular dependencies? Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

mscdex/ssh2#1081 · 1 comment · Opened Oct 16, 2021
Map Server Session events to Client methods Open

feature request

Difficulty 5/5 Over a week Newbie friendliness 25/100

mscdex/ssh2#942 · 2 comments · Opened Oct 16, 2020
Early close from the ssh server cause the connection to end without error nor ready event Open

feature request

Difficulty 3/5 1-2 days Newbie friendliness 48/100

mscdex/ssh2#928 · 1 reaction · Opened Sep 8, 2020
Timed out while waiting for handshake stuck on Outgoing: Writing KEXINIT Open

feature request

Difficulty 4/5 3-5 days Newbie friendliness 25/100

mscdex/ssh2#927 · 15 comments · Opened Sep 8, 2020

mscdex/ssh2

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