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openSUSE Leap 16.0 Alloy Important Authorization Bypass Vuln 2026-20752-1

An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed.. openSUSE security update: security update for alloy ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20752-1 Rating: important References: * bsc#1258099 * bsc#1258609 * bsc#1259919 * bsc#1260317 Cross-References: * CVE-2026-25934 * CVE-2026-26958 * CVE-2026-33186 * CVE-2026-4427 CVSS scores: * CVE-2026-25934 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N * CVE-2026-25934 ( SUSE ): 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N * CVE-2026-26958 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:L * CVE-2026-26958 ( SUSE ): 8.3 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N * CVE-2026-33186 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N * CVE-2026-33186 ( SUSE ): 8.6 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N * CVE-2026-4427 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H * CVE-2026-4427 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N Affected Products: openSUSE Leap 16.0 ------------------------------------------------------------- An update that solves 4 vulnerabilities and has 4 bug fixes can now be installed. Description: This update for alloy fixes the following issues Security issues: - CVE-2026-4427: github.com/jackc/pgproto3/v2: improper validation of field length allows a malicious PostgreSQL server to crash a client application via a DataRow message (bsc#1259919). - CVE-2026-25934: github.com/go-git/go-git/v5: improper verification of data integrity values for .pack and .idx files can lead to the consumption of corrupted files (bsc#1258099). - CVE-2026-26958: filippo.io/edwards25519: failure to initialize receiver in MultiScalarMult can produce invalid results and lead to undefined behavior (bsc#1258609). - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to impropervalidation of the HTTP/2: path pseudo- header (bsc#1260317). Non security issue: - Updated to 1.16.0 - Use systemd tmpfiles.d to create /var/lib/alloy hierarchy (jsc#PED-14815) Patch instructions: To install this openSUSE security update use the suse recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: - openSUSE Leap 16.0 zypper in -t patch openSUSE-Leap-16.0-747=1 Package List: - openSUSE Leap 16.0: alloy-1.16.0-160000.1.1 References: * https://www.suse.com/security/cve/CVE-2026-25934.html * https://www.suse.com/security/cve/CVE-2026-26958.html * https://www.suse.com/security/cve/CVE-2026-33186.html * https://www.suse.com/security/cve/CVE-2026-4427.html . Update for openSUSE solves 4 vulnerabilities and 4 bug fixes for alloy, ensuring better security and performance.. openSUSE, alloy, security update, important fixes, software vulnerabilities. . Severity: Important. LinuxSecurity.com Team

May 19, 2026 •Important OpenSUSE