CVE-2019-12401

CVE-2019-12401: XML Bomb in Apache Solr Solr versions prior to 5.0.0 are vulnerable to an XML resource consumption attack a.k.a. Lol Bomb via its update handler. By leveraging XML DOCTYPE and ENTITY type elements, the attacker can create a pattern that will expand when the server parses the XML...

XXE-Payloads

XXE-Payloads Quick access to XXE Payloads XXE: %sp;...

GHSA-3X94-M842-937C PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service

Summary PhpSpreadsheet's XmlScanner::scan uses a regex pattern that only accounts for NULL byte 0x00 interleaving when detecting !DOCTYPE. ISO-2022 escape sequences 0x1B bytes inserted between the characters of the pattern break the regex match entirely, allowing DOCTYPE declarations with entity...

PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service

Summary PhpSpreadsheet's XmlScanner::scan uses a regex pattern that only accounts for NULL byte 0x00 interleaving when detecting !DOCTYPE. ISO-2022 escape sequences 0x1B bytes inserted between the characters of the pattern break the regex match entirely, allowing DOCTYPE declarations with entity...

EUVD-2026-108265

PhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Service...

EUVD-2026-108242

PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity TOCTOU Allows XXE and Denial of Service...

Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')

Overview Affected versions of this package are vulnerable to Improper Restriction of Recursive Entity References in DTDs 'XML Entity Expansion' due to delayed detection in the accountingDiffTolerated function. An attacker can exhaust system resources by submitting a specially crafted XML document...

CVE-2026-108357

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. From 3.3.0 until 3.10.8 and 5.10.0, Reader\Xml passes stored SpreadsheetML XML through XmlScanner::scan in Xml::canRead and Xml::trySimpleXMLLoadStringPrivate, while Xml::unentity decodes numeric entities only after...

CVE-2026-108358

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0, XmlScanner::scan in src/PhpSpreadsheet/Reader/Security/XmlScanner.php uses a DOCTYPE detection pattern that accounts for NUL-byte interleaving but not ISO-2022 escap...

CVE-2026-108357

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. From 3.3.0 until 3.10.8 and 5.10.0, Reader\Xml passes stored SpreadsheetML XML through XmlScanner::scan in Xml::canRead and Xml::trySimpleXMLLoadStringPrivate, while Xml::unentity decodes numeric entities only after...

CVE-2026-108358

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.7, 2.1.19, 2.4.8, 3.10.8, and 5.10.0, XmlScanner::scan in src/PhpSpreadsheet/Reader/Security/XmlScanner.php uses a DOCTYPE detection pattern that accounts for NUL-byte interleaving but not ISO-2022 escap...

CVE-2026-113582 Apache Abdera: XML external entity expansion in Atom document parsing

UNSUPPORTED WHEN ASSIGNED Improper restriction of XML external entity references in Apache Abdera allows an attacker to access sensitive data or make server-side requests when an application parses attacker-controlled XML with Abdera. This issue affects Apache Abdera: all versions. Apache Abdera ...

CVE-2026-113582

This vulnerability affects all versions of Apache Abdera due to improper restriction of XML external entity references during Atom document parsing. An attacker could potentially access sensitive data or trigger server-side requests by providing attacker-controlled XML. Because Apache Abdera is r...

PT-2026-121479

Name of the Vulnerable Software and Affected Versions PhpSpreadsheet versions 3.3.0 through 3.10.7 PhpSpreadsheet versions prior to 5.10.0 Description Processing attacker-controlled SpreadsheetML XML can lead to entity-expansion denial of service, local file access, or Server-Side Request Forgery...

PT-2026-121480

Name of the Vulnerable Software and Affected Versions PhpSpreadsheet versions prior to 1.30.7 PhpSpreadsheet versions prior to 2.1.19 PhpSpreadsheet versions prior to 2.4.8 PhpSpreadsheet versions prior to 3.10.8 PhpSpreadsheet versions prior to 5.10.0 Description The XmlScanner::scan function in...

CVE-2026-108086

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 lead to SSRF, including exposing files from the server to an untrusted...

EUVD-2026-104911

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 lead to SSRF, including exposing files from the server to an untrusted...

CVE-2026-108086

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 lead to SSRF, including exposing files from the server to an untrusted...

PT-2026-118324

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 lead to SSRF, including exposing files from the server to an untrusted...

EUVD-2026-104208

FopProducer transforms the incoming XSL-FO message body by creating a javax.xml.transform.TransformerFactory through TransformerFactory.newInstance and enabling only FEATURESECUREPROCESSING before running an identity transform over the body. On the JDK's built-in transformer, that feature alone...