PyJWT: Uncaught RecursionError in jwt.decode() on deeply nested token header

Packagepyjwt PyPI Affected versionstested & verified on: 2.13.0. Every version whose PyJWS.load translates only ValueError is affected DescriptionPyJWS.looad jwt/apijws.py:337 splits the compact token, base64url decodes the header segment and hands it to json.loads before verifysignature runs. Th...

CVE-2026-42355

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an uncontrolled recursion vulnerability exists in the Electron Archive ASAR parser in NanaZip. When opening a crafted .asar file with deeply nested JSON in the header, both nlohmann::json::parse and the handler's...

CVE-2026-42355 NanaZip: Uncontrolled recursion in NanaZip Electron ASAR parser causes stack exhaustion

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an uncontrolled recursion vulnerability exists in the Electron Archive ASAR parser in NanaZip. When opening a crafted .asar file with deeply nested JSON in the header, both nlohmann::json::parse and the handler's...

CVE-2026-42355 NanaZip: Uncontrolled recursion in NanaZip Electron ASAR parser causes stack exhaustion

NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, an uncontrolled recursion vulnerability exists in the Electron Archive ASAR parser in NanaZip. When opening a crafted .asar file with deeply nested JSON in the header, both nlohmann::json::parse and the handler's...

PT-2025-39315

Name of the Vulnerable Software and Affected Versions csvtojson versions prior to 2.0.10 Description The csvtojson package has a flaw due to inadequate sanitization of nested header names during parsing. Processing CSV input with crafted header fields referencing prototype chains like using proto...

CVE-2025-57350

The csvtojson package, a tool for converting CSV data to JSON with customizable parsing capabilities, contains a prototype pollution vulnerability in versions prior to 2.0.10. This issue arises due to insufficient sanitization of nested header names during the parsing process in the parserjsonarr...

Akka HTTP 10.1.14 - Denial of Service

Exploit Title: Akka HTTP Denial of Service via Nested Header Comments Date: 18/4/2022 Exploit Author: cxosmo Vendor Homepage: https://akka.io Software Link: https://github.com/akka/akka-http Version: Akka HTTP 10.1.x 10.1.15 & 10.2.x 10.2.7 Tested on: Akka HTTP 10.2.4, Ubuntu CVE : CVE-2021-42697...

Akka HTTP 10.1.14 Denial Of Service

Exploit Title: Akka HTTP Denial of Service via Nested Header Comments Date: 18/4/2022 Exploit Author: cxosmo Vendor Homepage: https://akka.io Software Link: https://github.com/akka/akka-http Version: Akka HTTP 10.1.x 10.1.15 & 10.2.x 10.2.7 Tested on: Akka HTTP 10.2.4, Ubuntu CVE : CVE-2021-42697...

Akka HTTP 10.1.14 - Denial of Service Exploit

Exploit Title: Akka HTTP Denial of Service via Nested Header Comments Exploit Author: cxosmo Vendor Homepage: https://akka.io Software Link: https://github.com/akka/akka-http Version: Akka HTTP 10.1.x 10.1.15 & 10.2.x 10.2.7 Tested on: Akka HTTP 10.2.4, Ubuntu CVE : CVE-2021-42697 import argparse...