EUVD-2026-39007

Mistune: Potential DoS via quadratic-time parsing in parselinktext...

GHSA-QCQ2-496W-V96P Mistune: Potential DoS via quadratic-time parsing in parse_link_text

Summary Mistune is vulnerable to a CPU exhaustion DoS due to superlinear approximately On² behavior in parselinktext. A relatively small input consisting of repeated characters causes significant parsing slowdown. Affected component mistune/inlineparser.py → parselinktext Description When parsing...

CVE-2026-55865

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

CVE-2026-55865 Python Liquid: Infinite loop when parsing malformed `{% case %}` tags

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

EUVD-2026-42693

Python Liquid is a Python engine for the Liquid template language. Prior to 2.2.1, given a malformed % case % tag without an associated % when % or % else % block and no terminating % endcase % tag, Python Liquid hangs in an infinite loop at parse time because liquid.TokenStream.eof did not give...

PYSEC-2026-2834 NULL Pointer Dereference in OpenCV.

An issue was discovered in OpenCV before 4.1.1 OpenCV-Python before 4.1.1.26. There is a NULL pointer dereference in the function cv::XMLParser::parse at modules/core/src/persistence.cpp...

OESA-2026-2974 expat security update

expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial. Security Fixes: libexpat before 2.8.2 has an integer overflow in storeAtts.CVE-2026-56403 libexpat before 2.8.2 has an integer overflow in...

CVE-2026-57481

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57480

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

CVE-2026-55778

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.11 and 8.6.81, the default fileUpload.fileExtensions blocklist could be bypassed by uploading a file with a non-standard or compound extension and dangerous content type,...

CVE-2026-57481 Parse Server: LiveQuery discloses object data to a subscriber across an ACL read-access change

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57481

Parse Server LiveQuery vulnerability: a subscriber could receive object field values the reader is not authorized to read when a single save changed both the object field and the subscriber’s ACL read access, due to leave/enter events using the wrong object state. Affected versions before 9.9.1-a...

CVE-2026-57481 Parse Server: LiveQuery discloses object data to a subscriber across an ACL read-access change

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

EUVD-2026-42422

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57481 Parse Server: LiveQuery discloses object data to a subscriber across an ACL read-access change

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.13 and 8.6.83, a LiveQuery subscriber could receive object field values they were not authorized to read when a single save changed both an object field and the subscriber'...

CVE-2026-57480 Parse Server: Denial of service via exponential-time processing of deeply nested query operators

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

CVE-2026-57480 Parse Server: Denial of service via exponential-time processing of deeply nested query operators

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

CVE-2026-57480 Parse Server: Denial of service via exponential-time processing of deeply nested query operators

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

CVE-2026-57480

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...

EUVD-2026-42421

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.9.1-alpha.12 and 8.6.82, deeply nested $or, $and, and $nor query condition operators in the REST API or LiveQuery query handling could trigger exponential-time processing in the...