CWE-776
CVEs classified under CWE-776, newest first.
38 CVEsRSS
CVE-2026-108357High· 8.8PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Service
PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Service
CVE-2026-108358High· 8.8PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service
PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service
CVE-2026-115506High· 7.5PoClibexpat through 2.9.0 Denial of Service via Billion Laughs Detection Delay
libexpat through 2.9.0 contains a denial of service vulnerability because billion laughs protection in accountingDiffTolerated() in xmlparse.c detects entity amplification too late. Attackers can supply a moderately sized XML document wi…
CVE-2026-108086NoneApache Cocoon: XEE could lead to SSRF and information disclosure
** UNSUPPORTED WHEN ASSIGNED ** Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Cocoon. This issue affects Apache Cocoon: all versions. XEE in the fp: form processor could l…
CVE-2026-111252Medium· 6.5A denial of service vulnerability exists in the XML parsing of multiple versions of OpenNMS Meridian and Horizon
A denial of service vulnerability exists in the XML parsing of multiple versions of OpenNMS Meridian and Horizon. OpenNMS parsed XML without an effective limit on entity expansion. A document with a DOCTYPE that declares internal entitie…
CVE-2026-69651High· 7.5Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-58280High· 7.5Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.
Uncontrolled recursion in .NET allows an unauthorized attacker to deny service over a network.
CVE-2026-74030Medium· 4.9Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2json_node that allows a manager-controlled policy to exhaust agent memory
Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2json_node that allows a manager-controlled policy to exhaust agent memory. Attackers controlling the manager can push a small SCA policy w…
CVE-2026-108039High· 7.5By default, StaxUtils placed no limit on the total number of elements or the total number of characters in an XML document
By default, StaxUtils placed no limit on the total number of elements or the total number of characters in an XML document. A very large request could therefore use a lot of memory and CPU during parsing, especially where CXF builds a DO…
CVE-2026-78253Low· 2.3⚖ disputedUncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.
Uncontrolled recursion in QXmlStreamReader::readElementText() in Qt Group Qt allows attackers to cause a denial of service (application crash via stack exhaustion) via a crafted XML document.
CVE-2026-92001Medium· 6.1Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which f…
Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which f…
CVE-2026-91865High· 7.5A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service). Users are recommended to upgr…
A small WS-Policy document using repeated policy references can force Neethi to re-expand the same references exponentially during normalization, consuming huge amounts of CPU and memory (denial of service). Users are recommended to upgr…
CVE-2026-19248High· 7.1QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.
QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.
CVE-2026-54077High· 7.1ArcadeDB is a Multi-Model DBMS
ArcadeDB is a Multi-Model DBMS. Prior to 26.6.1, the IMPORT DATABASE statement in engine/src/main/java/com/arcadedb/query/sql/parser/ImportDatabaseStatement.java did not require administrative privileges and passed its source to integrat…
CVE-2023-46035Medium· 5.9The svg_optimizer gem before 0.3.0 for Ruby performs entity expansion on untrusted documents.
The svg_optimizer gem before 0.3.0 for Ruby performs entity expansion on untrusted documents.
CVE-2026-11573High· 7.1Uncontrolled recursion (CWE-674) in the QDomDocument/QDomNode serialization path of the Qt XML module (QtXml, qtbase)
Uncontrolled recursion (CWE-674) in the QDomDocument/QDomNode serialization path of the Qt XML module (QtXml, qtbase). QDomElementPrivate::save() and QDomNodePrivate::save() recurse mutually, consuming one stack frame per level of elemen…
CVE-2026-58234Low· 2.2SAP Process Integration (SOAP Adapter) allows a privileged user to send specially crafted requests containing deeply nested entity definitions, which under certain conditions could temporarily increase processor load and degrade system r…
SAP Process Integration (SOAP Adapter) allows a privileged user to send specially crafted requests containing deeply nested entity definitions, which under certain conditions could temporarily increase processor load and degrade system r…
CVE-2026-16180Medium· 5.7IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to impr…
IBM App Connect Enterprise 13.0.1.0 through 13.0.8.1, and 12.0.1.0 through 12.0.12.28 and IBM Integration Bus for z/OS 10.1.0.0 through 10.1.0.7 Toolkit could allow an authenticated user to cause a denial-of-service condition due to impr…
CVE-2026-81723Low· 3.7⚖ disputedNLTK versions before 3.10.3 contain a quadratic CPU exhaustion vulnerability in XMLCorpusView._read_xml_fragment() that rescans accumulated XML fragments on every 1 KiB block read
NLTK versions before 3.10.3 contain a quadratic CPU exhaustion vulnerability in XMLCorpusView._read_xml_fragment() that rescans accumulated XML fragments on every 1 KiB block read. Attackers can provide malformed XML corpus files to caus…
CVE-2026-78681High· 7.5NLTK versions before 3.10.3 use xml.etree.ElementTree to parse XML in multiple modules, which honors entity declarations in document DTDs
NLTK versions before 3.10.3 use xml.etree.ElementTree to parse XML in multiple modules, which honors entity declarations in document DTDs. Attackers can craft XML payloads with nested entity declarations that expand from hundreds of byte…
CVE-2026-73569High· 7.5fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks
fast-xml-parser allows users to process XML from JS object without C/C++ based libraries or callbacks. From 5.9.3 until 5.10.1, src/xmlparser/OrderedObjParser.js processes multiple DOCTYPE declarations within a single XML document and pa…
CVE-2026-56859High· 7.5Add recursion depth guard during decode in encoding/xml
Add recursion depth guard during decode in encoding/xml
CVE-2026-33818High· 7.5Enforce maximum recursion depth in encoding/asn1
Enforce a recursion limit in Unmarshal to prevent stack exhaustion when parsing deeply-nested, recursive structures.
CVE-2026-3415High· 8.7XML External Entity (XXE) Injection via Schema Validation in Multiple WSO2 Products Allows File Reading and Denial of Service
The XML and schema validation functionalities within the SchemaValidator Mediator process XML input as part of validation flows. Under certain conditions, the XML parser allows the resolution of external entities when handling user-suppl…
CVE-2026-18140High· 7.5aws-smithy-json: aws-smithy-json: Denial of Service via uncontrolled recursion with deeply nested JSON (CVE-2026-18140)
A flaw was found in aws-smithy-json. This vulnerability allows a remote, unauthenticated attacker to cause a denial of service (DoS) in smithy-rs generated servers. By sending a small HTTP request containing deeply nested JSON, the attacke…
GHSA-8r6m-32jq-jx6qHighfast-xml-parser: Repeated DOCTYPE declarations reset entity expansion limits
fast-xml-parser: Repeated DOCTYPE declarations reset entity expansion limits
CVE-2026-12993Medium· 6.5A flaw was found in Apicurio Registry
A flaw was found in Apicurio Registry. The DocumentBuilderAccessor correctly blocks external DTD and schema access but does not disable DOCTYPE declarations or enable FEATURE_SECURE_PROCESSING. An attacker with artifact-write permission …
GHSA-p5wc-9w9r-m232High· 7.5Ultimate Sitemap Parser (USP): XML Entity Expansion (Billion Laughs) DoS in XMLSitemapParser
Ultimate Sitemap Parser (USP): XML Entity Expansion (Billion Laughs) DoS in XMLSitemapParser
CVE-2026-5079High· 7.5multer: Multer: Denial of Service via deeply nested field names in multipart form data (CVE-2026-5079)
A flaw was found in Multer. A remote attacker can exploit this vulnerability by sending a single HTTP request with crafted multipart form data containing deeply nested field names. This can force the allocation of deeply nested object stru…
CVE-2026-49235HighRoutinator crashes when encountering maliciously crafted RRDP XML files
Routinator crashes when encountering maliciously crafted RRDP XML files