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paramiko

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paramiko
The leading native Python SSHv2 protocol library.

Python · 9857 stars

Beginner friendly Everything

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[BUG] - BufferedFile.read() re-slices the full buffer on every call, causing quadratic cost with small chunk sizes Open

Bug

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

paramiko/paramiko#2688 · Opened Sep 10, 2026
[BUG] - exec_command can deadlock transport when its ChannelStdinFile is garbage collected at the wrong time Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

paramiko/paramiko#2685 · Opened Sep 6, 2026
[FEAT] - <Release timeline for PQC support> Open

Feature

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

paramiko/paramiko#2684 · Opened Sep 3, 2026
[Security] MEDIUM: Weak algorithms in default config; LOW: Timing attack in key padding; LOW: Password plaintext exposure Open

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

paramiko/paramiko#2672 · 1 reaction · Opened Aug 16, 2026
[BUG] - O(n²) behavior in Channel.sendall() with tiny remote flow-control windows Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 65/100

paramiko/paramiko#2659 · Opened Jul 21, 2026
[FEAT] - make BufferedFile io compatible Open

Feature

Difficulty 4/5 3-5 days Newbie friendliness 48/100

paramiko/paramiko#2658 · Opened Jul 20, 2026
[SUPPORT] - <title> Open

Support

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

paramiko/paramiko#2643 · Opened Jul 10, 2026
[BUG] - Configuration under Match statements with invalid or unknown Match criteria words is Open

Bug

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

paramiko/paramiko#2632 · Opened Jun 12, 2026
[BUG] - RSAKey sign_ssh_data raises KeyError: 'ssh-rsa' with default algorithm Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

paramiko/paramiko#2628 · Opened May 31, 2026
[SUPPORT] - Paramiko + sudo-1.9.17p2 + stdin input for sudo -S does not work as expected Open

Support

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

paramiko/paramiko#2627 · Opened May 26, 2026
Missing MAX_PACKET_SIZE check in BPP layer allows memory exhaustion from malicious server Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

paramiko/paramiko#2626 · Opened May 21, 2026
Use Trusted Publishing to upload to PyPI Open

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

paramiko/paramiko#2625 · 1 comment · Opened May 19, 2026
[BUG] - document that `password`-/`passphrase`-parameter of `paramiko.client.SSHClient.connect` also accept `bytes` Open

Bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

paramiko/paramiko#2602 · Opened May 6, 2026
[BUG] - after connection loss, first "re-connection" fails with Open

Bug

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

paramiko/paramiko#2601 · 1 comment · Opened May 1, 2026
[BUG] - `AttributeError` when calling `.exec_command()` on a `SSHClient` which hasn't been `.connect()`ed yet Open

Bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

paramiko/paramiko#2600 · Opened May 1, 2026
[BUG] - SSH exec_command gets stuck while waiting for threading Event Open

Bug

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

paramiko/paramiko#2599 · Opened Apr 29, 2026
GHSA-f8q4-jwww-x3wv: claimed fixed version 2.9.3 still ships pre-fix code Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

paramiko/paramiko#2596 · Opened Apr 21, 2026
Post-quantum cryptography audit — RSA/ECC/SHA-1 usages flagged by NIST migration guidance Open

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

paramiko/paramiko#2594 · 2 comments · Opened Apr 18, 2026
Bug: Host key comparison uses non-constant-time == instead of constant_time_bytes_eq Open

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

paramiko/paramiko#2585 · Opened Mar 19, 2026
[Support] - Some default ciphers kex and macs are passed to server on using sshconfig Open

Support

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

paramiko/paramiko#2579 · Opened Mar 5, 2026
[SUPPORT] - safe to use send_user_message ? Open

Support

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

paramiko/paramiko#2573 · 1 comment · Opened Feb 19, 2026
[BUG] wrong documentation on how known hosts are merged Open

Bug

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

paramiko/paramiko#2572 · 2 comments · Opened Feb 18, 2026
ProxyCommand.close() leaks file descriptors — does not close subprocess pipes or wait for process exit Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

paramiko/paramiko#2568 · Opened Feb 13, 2026
[BUG] - test suite hitting thread limit on armhf Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

paramiko/paramiko#2567 · Opened Feb 13, 2026
[BUG][PACKAGING] License metadata using deprecated SPDX identifier Open

Difficulty 1/5 Under an hour Newbie friendliness 70/100

paramiko/paramiko#2563 · Opened Jan 29, 2026
Consider slowlify for simulating slow remotes? Open

Needs investigation

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

paramiko/paramiko#2557 · Opened Dec 21, 2025
[BUG] - documentation: copy pasted doc appearing twice in Transport section? Open

Bug

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

paramiko/paramiko#2556 · Opened Dec 13, 2025
[FEAT] - apply verified and approved fix from 1,5 year ago Open

Feature

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

paramiko/paramiko#2555 · 2 reactions · Opened Nov 26, 2025
[BUG] - ProxyCommand not run in shell Open

Bug

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

paramiko/paramiko#2551 · Opened Oct 27, 2025
[SUPPORT] - Failed to import in latest python 3.14 Open

Support

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

paramiko/paramiko#2550 · 2 comments · Opened Oct 24, 2025
[SUPPORT] - Get 'OSError: Specified file is a directory error' when using mkdir Open

Support

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

paramiko/paramiko#2549 · Opened Oct 20, 2025
paramiko ssh connect local domain name Open

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

paramiko/paramiko#2548 · Opened Sep 15, 2025
[BUG] - Validate ftpPort in paramiko.Transport(ftpHost, ftpPort) Open

Exception handling Feature

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

paramiko/paramiko#2545 · 8 comments · Opened Aug 24, 2025
[BUG] - Return value for sign_ssh_data in PKey is incorrect in subclasses Open

Bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

paramiko/paramiko#2539 · 1 comment · Opened Aug 8, 2025
[BUG] - command stdout streaming is discontinuous Open

Bug

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

paramiko/paramiko#2538 · 1 comment · Opened Aug 8, 2025
[BUG] - deadlock on channel shutdown Open

Bug

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

paramiko/paramiko#2534 · 6 comments · Opened Aug 4, 2025
[FEAT] - Include base class in class documentation signature Open

Feature

Difficulty 1/5 Under an hour Newbie friendliness 55/100

paramiko/paramiko#2532 · Opened Jul 31, 2025
[BUG] - Paramiko Client can not handle server with no password Open

Bug

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

paramiko/paramiko#2530 · 6 comments · Opened Jul 31, 2025
[BUG] - Error reading SSH protocol banner" with Cisco NCS540L/IOS XR device Open

Bug

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

paramiko/paramiko#2528 · 1 reaction · Opened Jul 30, 2025
State of removing PyNaCl? Open

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

paramiko/paramiko#2527 · 2 comments · 2 reactions · Opened Jul 29, 2025
Wrong address for the Free software foundation in license file Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

paramiko/paramiko#2524 · Opened Jul 14, 2025
[BUG] - Missing parameter to Match 'host=*' keyword Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 50/100

paramiko/paramiko#2522 · Opened Jul 4, 2025
[BUG] - Forcing public key algorithm on OpenSSH 10+ Open

Bug

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

paramiko/paramiko#2521 · 1 comment · Opened Jun 28, 2025
Support for handling scp -t upload command in custom Paramiko SSH server (honeypot) Open

Support

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

paramiko/paramiko#2520 · Opened Jun 21, 2025
Incorrectly owned authorized_keys file will cause "encountered RSA key, expected OPENSSH key" Open

Bug

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

paramiko/paramiko#2515 · Opened May 21, 2025
[BUG] - MessageOrderError: Expecting packet from (31,), got 91 connecting to Odoo.sh due to immediate post-auth rekeying Open

Bug

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

paramiko/paramiko#2509 · 2 reactions · Opened Apr 12, 2025
[FEAT] - add the none cipher. Open

Feature

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

paramiko/paramiko#2507 · 1 comment · Opened Mar 26, 2025
[BUG] - Auth Race condition in ServiceRequestingTransport.ensure_session() when server sends banner before auth_handler is initialized Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

paramiko/paramiko#2505 · Opened Mar 12, 2025
document prefetch behaviour Open

Feature

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

paramiko/paramiko#2500 · 1 comment · 1 reaction · Opened Feb 21, 2025
[BUG] - OSError raised during socket recv() call isn't being caught Open

Bug

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

paramiko/paramiko#2499 · 2 comments · Opened Feb 13, 2025

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