# guzzlehttp/guzzle (Packagist) vulnerabilities Source: https://junglewise.ai/threats/technologies/guzzlehttp-guzzle Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/guzzlehttp-guzzle.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 18 vulnerabilities in guzzlehttp/guzzle (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-2026-69246, was published on 3 August 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 18 (0 critical, 0 exploited in the wild) ## About guzzlehttp/guzzle (Packagist) Guzzle is a PHP HTTP client that provides an interface for sending HTTP requests and integrating with web services. ## Latest guzzlehttp/guzzle (Packagist) vulnerabilities - [CVE-2026-69246: Guzzle noncanonical host bypass in URI handlers](https://junglewise.ai/threats/cve-2026-69246-guzzle-noncanonical-host-bypass-in-uri-handlers) (high, CVSS 7.2, published 3 Aug 2026) - [CVE-2026-69245: Guzzle incorrect cookie domain matching for noncanonical IP addresses](https://junglewise.ai/threats/cve-2026-69245-guzzle-incorrect-cookie-domain-matching-for-noncanonical-ip) (medium, CVSS 6.5, published 3 Aug 2026) - [Guzzle unbounded response cookies denial of service in CookieJar](https://junglewise.ai/threats/guzzle-unbounded-response-cookies-denial-of-service-in-cookiejar-f650c2bc) (medium, CVSS 5.3, published 1 Aug 2026) - [Guzzle information disclosure in RedirectMiddleware Referer headers](https://junglewise.ai/threats/guzzle-information-disclosure-in-redirectmiddleware-referer-headers-d2e711b6) (medium, CVSS 5.9, published 1 Aug 2026) - [Guzzle GuzzleHTTP host-only cookie scope disclosure](https://junglewise.ai/threats/guzzle-guzzlehttp-host-only-cookie-scope-disclosure-958db8d5) (medium, CVSS 5.9, published 1 Aug 2026) - [Guzzle Proxy-Authorization header disclosure to origin servers](https://junglewise.ai/threats/guzzle-proxy-authorization-header-disclosure-to-origin-servers-7a8a6575) (medium, CVSS 5.3, published 1 Aug 2026) - [CVE-2026-67355: Guzzle host-only cookie scope not preserved](https://junglewise.ai/threats/cve-2026-67355-guzzle-host-only-cookie-scope-not-preserved) (medium, CVSS 5.9, published 1 Aug 2026) - [CVE-2026-67354: Guzzle URI fragment disclosure in redirect Referer header](https://junglewise.ai/threats/cve-2026-67354-guzzle-uri-fragment-disclosure-in-redirect-referer-header) (medium, CVSS 5.9, published 1 Aug 2026) - [CVE-2026-67353: guzzlehttp Guzzle denial of service in CookieJar](https://junglewise.ai/threats/cve-2026-67353-guzzlehttp-guzzle-denial-of-service-in-cookiejar) (medium, CVSS 5.3, published 1 Aug 2026) - [CVE-2026-67339: guzzlehttp Guzzle Proxy-Authorization header disclosure](https://junglewise.ai/threats/cve-2026-67339-guzzlehttp-guzzle-proxy-authorization-header-disclosure) (medium, CVSS 5.3, published 1 Aug 2026) - [CVE-2026-59883: Guzzle CookieJar cross-host cookie disclosure via IP domain matching](https://junglewise.ai/threats/cve-2026-59883-guzzle-cookiejar-cross-host-cookie-disclosure-via-ip-domain) (medium, CVSS 4.7, published 8 Jul 2026) - [CVE-2026-55767: Guzzle CookieJar improper domain validation allows cookie injection](https://junglewise.ai/threats/cve-2026-55767-guzzle-cookiejar-improper-domain-validation-allows-cookie) (medium, CVSS 5.8, published 23 Jun 2026) - [CVE-2026-55568: Guzzle silent HTTPS proxy downgrade to cleartext](https://junglewise.ai/threats/cve-2026-55568-guzzle-silent-https-proxy-downgrade-to-cleartext) (medium, CVSS 5.9, published 23 Jun 2026) - [CVE-2022-31091: Change in port should be considered a change in origin](https://junglewise.ai/threats/cve-2022-31091-change-in-port-should-be-considered-a-change-in-origin) (low, CVSS 3.1, published 21 Jun 2022) - [CVE-2022-31090: CURLOPT_HTTPAUTH option not cleared on change of origin](https://junglewise.ai/threats/cve-2022-31090-curlopt-httpauth-option-not-cleared-on-change-of-origin) (low, CVSS 3.1, published 21 Jun 2022) - [CVE-2022-31042: Fix failure to strip Authorization header on HTTP downgrade](https://junglewise.ai/threats/cve-2022-31042-drupal-core-2022-011-updated-22-00-utc-2022-06-10-added-steps-to) (low, CVSS 3.1, published 9 Jun 2022) - [CVE-2022-29248: Cross-domain cookie leakage in Guzzle](https://junglewise.ai/threats/cve-2022-29248-drupal-core-2022-010-drupal-uses-the-third-party-guzzle-library) (low, CVSS 3.1, published 25 May 2022) - [CVE-2016-5385: HTTP Proxy header vulnerability](https://junglewise.ai/threats/cve-2016-5385-http-proxy-header-vulnerability) (low, CVSS 3.1, published 7 Apr 2022) ## Most severe guzzlehttp/guzzle (Packagist) vulnerabilities - [CVE-2026-69246: Guzzle noncanonical host bypass in URI handlers](https://junglewise.ai/threats/cve-2026-69246-guzzle-noncanonical-host-bypass-in-uri-handlers) (high, CVSS 7.2, published 3 Aug 2026) - [CVE-2026-69245: Guzzle incorrect cookie domain matching for noncanonical IP addresses](https://junglewise.ai/threats/cve-2026-69245-guzzle-incorrect-cookie-domain-matching-for-noncanonical-ip) (medium, CVSS 6.5, published 3 Aug 2026) - [CVE-2026-67355: Guzzle host-only cookie scope not preserved](https://junglewise.ai/threats/cve-2026-67355-guzzle-host-only-cookie-scope-not-preserved) (medium, CVSS 5.9, published 1 Aug 2026) - [CVE-2026-67354: Guzzle URI fragment disclosure in redirect Referer header](https://junglewise.ai/threats/cve-2026-67354-guzzle-uri-fragment-disclosure-in-redirect-referer-header) (medium, CVSS 5.9, published 1 Aug 2026) - [CVE-2026-55568: Guzzle silent HTTPS proxy downgrade to cleartext](https://junglewise.ai/threats/cve-2026-55568-guzzle-silent-https-proxy-downgrade-to-cleartext) (medium, CVSS 5.9, published 23 Jun 2026) - [Guzzle GuzzleHTTP host-only cookie scope disclosure](https://junglewise.ai/threats/guzzle-guzzlehttp-host-only-cookie-scope-disclosure-958db8d5) (medium, CVSS 5.9, published 1 Aug 2026) - [Guzzle information disclosure in RedirectMiddleware Referer headers](https://junglewise.ai/threats/guzzle-information-disclosure-in-redirectmiddleware-referer-headers-d2e711b6) (medium, CVSS 5.9, published 1 Aug 2026) - [CVE-2026-55767: Guzzle CookieJar improper domain validation allows cookie injection](https://junglewise.ai/threats/cve-2026-55767-guzzle-cookiejar-improper-domain-validation-allows-cookie) (medium, CVSS 5.8, published 23 Jun 2026) - [CVE-2026-67353: guzzlehttp Guzzle denial of service in CookieJar](https://junglewise.ai/threats/cve-2026-67353-guzzlehttp-guzzle-denial-of-service-in-cookiejar) (medium, CVSS 5.3, published 1 Aug 2026) - [CVE-2026-67339: guzzlehttp Guzzle Proxy-Authorization header disclosure](https://junglewise.ai/threats/cve-2026-67339-guzzlehttp-guzzle-proxy-authorization-header-disclosure) (medium, CVSS 5.3, published 1 Aug 2026) ## 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, "guzzlehttp/guzzle (Packagist) vulnerabilities", https://junglewise.ai/threats/technologies/guzzlehttp-guzzle, 9 November 2026.