CVE-2026-56763 Hono - Prototype Pollution via __proto__ Key in parseBody with dot Option

Hono before 4.12.7 allows proto key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with proto properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can exploit this to achieve...

CVE-2026-56763 Hono - Prototype Pollution via __proto__ Key in parseBody with dot Option

Hono before 4.12.7 allows proto key in parseBody with dot option enabled, permitting specially crafted form field names to create objects with proto properties. When parsed results are merged into regular JavaScript objects using unsafe merge patterns, attackers can exploit this to achieve...

PT-2026-57441

Name of the Vulnerable Software and Affected Versions Parse Server versions 9.0.0 through 9.10.0-alpha.1 Parse Server versions 8.x through 8.6.83 Description A stored cross-site scripting XSS issue exists when the software fails to recognize an uploaded file's extension via the mime package,...

CVE-2026-55687

ESF-IDF is the Espressif Internet of Things IOT Development Framework. Versions 6.0.1, 5.5.4, 5.4.4, 5.3.5, and possibly prior contain an out-of-bounds write in jpegparsedqtmarker in components/espdriverjpeg/jpegparsemarker.c because the attacker-controlled DQT marker Tq nibble is used as an inde...

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...

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-2026-55778

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-2026-57480

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-2026-57481

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'...

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 is affected by a denial-of-service issue where deeply nested $or, $and, and $nor query operators in REST API or LiveQuery handling can cause exponential-time processing that blocks the Node.js event loop. The vulnerability affects prior releases and is fixed in versions 9.9.1-alpha.1...

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-2026-55778 Parse Server: Stored XSS via non-standard file extension bypassing file upload extension blocklist

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-2026-55778 Parse Server: Stored XSS via non-standard file extension bypassing file upload extension blocklist

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,...