# simplesamlphp/saml2 (Packagist) vulnerabilities Source: https://junglewise.ai/threats/technologies/simplesamlphp-saml2 Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/simplesamlphp-saml2.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 9 vulnerabilities in simplesamlphp/saml2 (Packagist): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-49289, was published on 2 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 9 (0 critical, 0 exploited in the wild) ## About simplesamlphp/saml2 (Packagist) A PHP library for handling SAML 2.0 messages, used as a core component of SimpleSAMLphp. ## Latest simplesamlphp/saml2 (Packagist) vulnerabilities - [CVE-2026-49289: SimpleSAMLphp saml2 Denial of Service via XPath Transform](https://junglewise.ai/threats/cve-2026-49289-simplesamlphp-saml2-denial-of-service-via-xpath-transform) (high, CVSS 7.5, published 2 Jul 2026) - [CVE-2026-49283: SimpleSAMLphp saml2 authentication bypass via TLS validator confusion](https://junglewise.ai/threats/cve-2026-49283-simplesamlphp-saml2-authentication-bypass-via-tls-validator) (high, CVSS 8.7, published 2 Jul 2026) - [CVE-2025-27773: The SimpleSAMLphp SAML2 library incorrectly verifies signatures for HTTP-Redirect binding](https://junglewise.ai/threats/cve-2025-27773-the-simplesamlphp-saml2-library-incorrectly-verifies-signatures) (low, CVSS 3.1, published 11 Mar 2025) - [CVE-2024-52806: SimpleSAMLphp SAML2 has an XXE in parsing SAML messages](https://junglewise.ai/threats/cve-2024-52806-simplesamlphp-saml2-has-an-xxe-in-parsing-saml-messages) (low, CVSS 3.1, published 2 Dec 2024) - [CVE-2023-49087: Validation of SignedInfo](https://junglewise.ai/threats/cve-2023-49087-validation-of-signedinfo) (low, CVSS 3.1, published 28 Nov 2023) - [CVE-2016-9814: SimpleSAMLphp SAML2 spoof SAML responses](https://junglewise.ai/threats/cve-2016-9814-simplesamlphp-saml2-spoof-saml-responses) (low, CVSS 3, published 14 May 2022) - [CVE-2018-7711: SimpleSAMLphp saml2 incorrect signature validation](https://junglewise.ai/threats/cve-2018-7711-simplesamlphp-saml2-incorrect-signature-validation) (low, CVSS 3, published 14 May 2022) - [CVE-2018-6519: SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability](https://junglewise.ai/threats/cve-2018-6519-simplesamlphp-saml2-library-regular-expression-denial-of-service) (low, CVSS 3, published 14 May 2022) - [CVE-2018-7644: SimpleSAMLphp Improper Verification of Cryptographic Signature](https://junglewise.ai/threats/cve-2018-7644-simplesamlphp-improper-verification-of-cryptographic-signature) (low, CVSS 3, published 13 May 2022) ## Most severe simplesamlphp/saml2 (Packagist) vulnerabilities - [CVE-2026-49283: SimpleSAMLphp saml2 authentication bypass via TLS validator confusion](https://junglewise.ai/threats/cve-2026-49283-simplesamlphp-saml2-authentication-bypass-via-tls-validator) (high, CVSS 8.7, published 2 Jul 2026) - [CVE-2026-49289: SimpleSAMLphp saml2 Denial of Service via XPath Transform](https://junglewise.ai/threats/cve-2026-49289-simplesamlphp-saml2-denial-of-service-via-xpath-transform) (high, CVSS 7.5, published 2 Jul 2026) - [CVE-2024-52806: SimpleSAMLphp SAML2 has an XXE in parsing SAML messages](https://junglewise.ai/threats/cve-2024-52806-simplesamlphp-saml2-has-an-xxe-in-parsing-saml-messages) (low, CVSS 3.1, published 2 Dec 2024) - [CVE-2025-27773: The SimpleSAMLphp SAML2 library incorrectly verifies signatures for HTTP-Redirect binding](https://junglewise.ai/threats/cve-2025-27773-the-simplesamlphp-saml2-library-incorrectly-verifies-signatures) (low, CVSS 3.1, published 11 Mar 2025) - [CVE-2023-49087: Validation of SignedInfo](https://junglewise.ai/threats/cve-2023-49087-validation-of-signedinfo) (low, CVSS 3.1, published 28 Nov 2023) - [CVE-2016-9814: SimpleSAMLphp SAML2 spoof SAML responses](https://junglewise.ai/threats/cve-2016-9814-simplesamlphp-saml2-spoof-saml-responses) (low, CVSS 3, published 14 May 2022) - [CVE-2018-6519: SimpleSAMLphp SAML2 library Regular Expression Denial of Service vulnerability](https://junglewise.ai/threats/cve-2018-6519-simplesamlphp-saml2-library-regular-expression-denial-of-service) (low, CVSS 3, published 14 May 2022) - [CVE-2018-7644: SimpleSAMLphp Improper Verification of Cryptographic Signature](https://junglewise.ai/threats/cve-2018-7644-simplesamlphp-improper-verification-of-cryptographic-signature) (low, CVSS 3, published 13 May 2022) - [CVE-2018-7711: SimpleSAMLphp saml2 incorrect signature validation](https://junglewise.ai/threats/cve-2018-7711-simplesamlphp-saml2-incorrect-signature-validation) (low, CVSS 3, published 14 May 2022) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Packagist technologies - [moodle/moodle (Packagist)](https://junglewise.ai/threats/technologies/moodle-moodle): 434 vulnerabilities - [magento/community-edition (Packagist)](https://junglewise.ai/threats/technologies/packagist-magento-community-edition): 362 vulnerabilities - [typo3/cms (Packagist)](https://junglewise.ai/threats/technologies/packagist-typo3-cms): 187 vulnerabilities - [wwbn/avideo (Packagist)](https://junglewise.ai/threats/technologies/wwbn-avideo): 164 vulnerabilities - [magento/project-community-edition (Packagist)](https://junglewise.ai/threats/technologies/magento-project-community-edition): 161 vulnerabilities - [drupal/core (Packagist)](https://junglewise.ai/threats/technologies/packagist-drupal-core): 150 vulnerabilities - [pimcore/pimcore (Packagist)](https://junglewise.ai/threats/technologies/pimcore-pimcore): 145 vulnerabilities - [craftcms/cms (Packagist)](https://junglewise.ai/threats/technologies/craftcms-cms): 143 vulnerabilities - [dolibarr/dolibarr (Packagist)](https://junglewise.ai/threats/technologies/dolibarr-dolibarr): 127 vulnerabilities - [getgrav/grav (Packagist)](https://junglewise.ai/threats/technologies/getgrav-grav): 127 vulnerabilities - [typo3/cms-core (Packagist)](https://junglewise.ai/threats/technologies/typo3-cms-core): 127 vulnerabilities - [concrete5/concrete5 (Packagist)](https://junglewise.ai/threats/technologies/concrete5-concrete5): 122 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "simplesamlphp/saml2 (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/simplesamlphp-saml2, 9 November 2026.