Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is live, is authenticated as that user, up to Administrator (authentication bypass by spoofing).

opensuse openSUSE-SU-2026:22125-1: openSUSE 16 : Security update for grafana (Important) (openSUSE-SU-2026:22125-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4600-1 advisory.

    - Update to version 12.4.10:
      * Security:
        CVE-2026-17183: Fix exposing data accessible through Grafana's                         configured datasource credentials (bsc#1275934)         CVE-2026-2303: Drop dependency on vulnerable                        go.mongodb.org/mongo-driver (bsc#1269841)         CVE-2026-17033: Fix stored XSS via external Alertmanager                         generatorURL (bsc#1276426)         CVE-2026-73501: Fix fail-open authentication bypass in                         github.com/getkin/kin-openapi (bsc#1276973)         CVE-2026-19475: Fix DoS in PostgreSQL Datasource (bsc#1278307)         CVE-2026-14199: Fix session takeover via Auth Proxy cache key                         collision (bsc#1278322)
      * Bug fixes:
        Dashboards: Fix adhoc and groupby variable datasource on UI                     import         Dashboards: Fix version dates and user display names in the                     legacy version history page
    - Update to version 12.4.9:
      * Features and enhancements:
        Dashboard Import: Labels in v2 schema
      * Bug fixes:
        Azure Monitor: fix migration for dimension filters
    - Update to version 12.4.8:
      * Security:
        CVE-2026-19197: Fix access control in dashboard snapshots                         (bsc#1277025)
    - Update to version 12.4.7:
      * Security:
        CVE-2026-56852: Fix infinite loop on truncated/invalid UTF-8                         input in golang.org/x/text/unicode/norm                         (bsc#1272008)
      * Features and enhancements:
        Dashboards: Get annotations and dashboard endpoint performance                     improvements
      * Bug fixes:
        DashboardDS: Fix Mixed panels with a time override stuck in                      permanent loading
    - Update to version 12.4.6:
      * Security:
        CVE-2026-41178: Fix opentelemetry-go's baggage parsing                         (bsc#1276658)
      * Features and enhancements:
        Alerting: Add protected fields authorization check to                   provisioning API         Alerting: Return 403 instead of 500 on contact point provenance                   mismatch
      * Bug fixes:
        Jaeger: Handle gzip, deflate, and brotli compressed API                 responses         Alerting: fix ORM table mapping bug causing SELECT alert_rule                   columns FROM user on PostgreSQL
    - Drop 0005-Bump-edwards25519.patch

        CVE-2026-39882: Prevent memory exhaustion DoS in OpenTelemetry                         OTLP HTTP exporters by updating to v1.43.0.
                        (bsc#1274217)         CVE-2026-8595: Fix stored XSS in the table panel (bsc#1271557)         CVE-2026-42127: Fix DoS through memory exhaustion in grafana'a                         public dashboard query endpoint (bsc#1268868)         CVE-2026-9029: Fix arbitrary code execution and information                        disclosure via XSS in geomap panel (bsc#1272328)         CVE-2026-33814: Fix infinite loop in HTTP/2 transport by                         updating golang.org/x/net (bsc#1265763)         CVE-2026-8609: Fix pre-authentication DoS in the OAuth login                        route (bsc#1271330)
      * CVE-2026-1229: Update github.com/cloudflare/circl to fix                        producing incorect output for specific inputs                        (bsc#1265525)                         (bsc#1262187)
      * CVE-2026-21723: Fix DoS vulnerability in Templates Test                         endpoint (bsc#1272427)
    - CVE-2026-41606: Fix potential DoS in Apache Thrift (bsc#1263330)
    - Build only for SUSE distributions

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790248981 advisory.

  - Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl     greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity     attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who     shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is     live, is authenticated as that user, up to Administrator (authentication bypass by spoofing).
    (CVE-2026-14199)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1790248981 advisory.

  - Only self-managed Grafana instances with Auth Proxy authentication and identity caching enabled (sync_ttl     greater than zero) are affected. The Auth Proxy cache key concatenated the username and forwarded identity     attributes without a delimiter, so distinct identities could collide on one key. An authenticated user who     shapes their own attributes to collide with a higher-privileged user's, while that user's cache entry is     live, is authenticated as that user, up to Administrator (authentication bypass by spoofing).
    (CVE-2026-14199)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
369265	SUSE SLES15 Security Update : grafana, system-user-grafana (SUSE-SU-2026:4600-1)	Nessus	SuSE Local Security Checks	Local	medium
360732	Rocky Linux 9.6 [TuxCare] Security Update: grafana / grafana-selinux (ALMALINUX9.6:CLSA-2026:1790248981)	Nessus	Rocky Linux Local Security Checks	Local	high
360715	AlmaLinux 9.6 [TuxCare] Security Update: grafana / grafana-selinux (ALMALINUX9.6:CLSA-2026:1790248981)	Nessus	Alma Linux Local Security Checks	Local	high

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