Issues

• Bug report: offline Cyberchef JSON Beautify

  bug
  gchq/CyberChef#2862 · Filter by author Mostafa-hazem opened on Oct 1, 2026

• JWT Sign/Verify throws TypeError: Right-hand side of 'instanceof' is not an object in browser build (crypto-browserify doesn't export KeyObject)

  gchq/CyberChef#2860 · Filter by author d4rkbb opened on Sep 30, 2026

• Bug report: Encryption/decryption issue with blank Initialization Vector (IV)

  bug
  gchq/CyberChef#2857 · Filter by author zembtach opened on Sep 27, 2026

• Feature request: Eliminate deprecated dependencies

  feature
  gchq/CyberChef#2846 · Filter by author GCHQDeveloper581 opened on Sep 22, 2026

• Feature request: Implement Series of Classical Ciphers

  feature
  gchq/CyberChef#2836 · Filter by author Bic076 opened on Sep 15, 2026

• Feature request: update to use webpack builtin output.copy (once webpack 5.111 is out)

  feature
  gchq/CyberChef#2813 · Filter by author GCHQDeveloper581 opened on Sep 11, 2026
  3

• Bug report: Last build: 2 years ago

  bug
  gchq/CyberChef#2788 · Filter by author jarlethorsen opened on Sep 8, 2026
  1

• Feature request: allow PHPDeserialize to decode objectcode and references

  feature
  gchq/CyberChef#2741 · Filter by author ITJamie opened on Aug 25, 2026

• [lint]: fix grammar issues with cspell

  gchq/CyberChef#2714 · Filter by author evenstensberg opened on Aug 6, 2026

• Feature request: Improved navigation

  feature
  gchq/CyberChef#2701 · Filter by author p-leriche opened on Jul 29, 2026

• bug(Magic): Unhandled Internal Recursion Exception

  bug
  gchq/CyberChef#2698 · Filter by author HackingRepo opened on Jul 28, 2026
  4

• Bug report: PGP Sign operation creates encrypted output, while it should be signed cleartext.

  bug
  gchq/CyberChef#2697 · Filter by author engrach opened on Jul 27, 2026
  7

• Proposal for Adding SHE Key Generation Function

  featurehelp wanted
  gchq/CyberChef#2679 · Filter by author vipysb opened on Jul 20, 2026
  1

  

• Add PCredz-Like Static PCAP Credential, Hash, Token, and Authentication Artifact Extraction Operations

  feature
  gchq/CyberChef#2652 · Filter by author solcoteh opened on Jul 7, 2026
  1

• Add Wireshark Decryption Helpers for NTLMv2/SMB Session Keys and Kerberos Keytab Generation

  feature
  gchq/CyberChef#2651 · Filter by author solcoteh opened on Jul 7, 2026
  3

  

• Name of CyberChef_*.zip on GitHub contains commit ID instead of version number since v11.1.0

  gchq/CyberChef#2640 · Filter by author jkmcl opened on Jul 4, 2026
  6

• Bug report: X.509 parser fails on SM2 certificates due to unsupported curve name

  bug
  gchq/CyberChef#2629 · Filter by author Smart-SangGe opened on Jul 2, 2026
  2

• Feature request: Add YARA-X Operations

  featurehelp wanted
  gchq/CyberChef#2622 · Filter by author malvidin opened on Jul 1, 2026
  2

  

• Create an AI Policy

  infra/meta
  Task

  gchq/CyberChef#2618 · Filter by author C85297 opened on Jun 30, 2026
  

• Bug report: [SHA2] Default 'Rounds' Value for SHA-2 Family Does Not Reflect Actual Cryptographic Standard

  bug
  gchq/CyberChef#2576 · Filter by author WXjzcccc opened on Jun 18, 2026
  3

• bug(Luhn Checksum): invalid input cause an unhandled Character: X is not valid in radix N.

  bug
  gchq/CyberChef#2536 · Filter by author HackingRepo opened on Jun 7, 2026
  1

• XML Beautify: indentation screwed by xmlns attribute in self-closing element

  bug
  gchq/CyberChef#2501 · Filter by author Spongman opened on Jun 5, 2026

• bug(AMF Decode): Buffer exhausted while reading 8 bits at offset 0 via just empty input or newline

  bughelp wanted
  gchq/CyberChef#2492 · Filter by author HackingRepo opened on Jun 4, 2026
  2

• bug(AMF Encode): Uncaught Error Value cannot be set on this type [Qe]

  bughelp wanted
  gchq/CyberChef#2491 · Filter by author HackingRepo opened on Jun 4, 2026

• bug(AMF Encode): Uncaught TypeError setting getter-only property "value"

  bughelp wanted
  gchq/CyberChef#2490 · Filter by author HackingRepo opened on Jun 4, 2026