{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-5119", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-03-30T05:13:41.920Z", "datePublished": "2026-03-30T05:35:57.099Z", "dateUpdated": "2026-06-09T08:57:31.694Z" }, "containers": { "cna": { "title": "Libsoup: libsoup: information disclosure via cleartext transmission of cookies during https tunnel establishment", "metrics": [ { "other": { "content": { "value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in libsoup. When establishing HTTPS tunnels through a configured HTTP proxy, sensitive session cookies are transmitted in cleartext within the initial HTTP CONNECT request. A network-positioned attacker or a malicious HTTP proxy can intercept these cookies, leading to potential session hijacking or user impersonation." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup3", "defaultStatus": "affected", "versions": [ { "version": "0:3.6.5-3.el10_1.11", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.1" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup3", "defaultStatus": "affected", "versions": [ { "version": "0:3.6.5-3.el10_2.11", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10.0 Extended Update 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"cpe:/a:redhat:rhel_eus_long_life:8.4::appstream", "cpe:/o:redhat:rhel_aus:8.4::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.62.3-2.el8_4.9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_aus:8.4::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.4::appstream", "cpe:/o:redhat:rhel_aus:8.4::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.4::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.62.3-2.el8_6.9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream", "cpe:/o:redhat:rhel_aus:8.6::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.62.3-2.el8_6.9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream", "cpe:/o:redhat:rhel_aus:8.6::baseos", "cpe:/o:redhat:rhel_eus_long_life:8.6::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.62.3-3.el8_8.9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream", "cpe:/o:redhat:rhel_e4s:8.8::baseos", "cpe:/o:redhat:rhel_tus:8.8::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.62.3-3.el8_8.9", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_e4s:8.8::appstream", "cpe:/a:redhat:rhel_tus:8.8::appstream", "cpe:/o:redhat:rhel_e4s:8.8::baseos", "cpe:/o:redhat:rhel_tus:8.8::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": 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"packageName": "libsoup", "defaultStatus": "affected", "versions": [ { "version": "0:2.72.0-10.el9_6.7", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_eus:9.6::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "libsoup", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:13978", "name": "RHSA-2026:13978", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:14087", "name": "RHSA-2026:14087", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:15968", "name": "RHSA-2026:15968", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:17482", "name": "RHSA-2026:17482", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:19143", "name": "RHSA-2026:19143", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:19356", "name": "RHSA-2026:19356", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:21686", "name": "RHSA-2026:21686", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:22316", "name": "RHSA-2026:22316", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:22317", "name": "RHSA-2026:22317", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:22323", "name": "RHSA-2026:22323", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:22710", "name": "RHSA-2026:22710", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:22716", "name": "RHSA-2026:22716", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:24344", "name": "RHSA-2026:24344", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:24722", "name": "RHSA-2026:24722", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-5119", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2452932", "name": "RHBZ#2452932", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] }, { "url": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/502" } ], "datePublic": "2026-03-30T05:30:32.610Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-319", "description": "Cleartext Transmission of Sensitive Information", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-319: Cleartext Transmission of Sensitive Information", "workarounds": [ { "lang": "en", "value": "To mitigate this issue, ensure that all HTTP proxies used for HTTPS tunnels are trusted and operate within a secure network. Avoid configuring applications to use untrusted HTTP proxies. If feasible, configure applications to bypass proxies for sensitive connections or utilize a secure proxy solution that encrypts the entire communication channel. A service restart or application reload may be required for changes to take effect." } ], "timeline": [ { "lang": "en", "time": "2026-03-30T05:15:27.541Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-03-30T05:30:32.610Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Kona Arctic for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-06-09T08:57:31.694Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-03-30T16:00:52.017996Z", "id": "CVE-2026-5119", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-30T16:01:02.216Z" } } ] } }