CVE-2026-28383

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

• CVE-2026-21722: clamp public dashboard annotation queries to the dashboard's locked time range when time selection is disabled
• CVE-2026-10601: reject Loki resource paths that escape /loki/api/v1/ and require Tempo trace ids to be hexadecimal
• CVE-2026-28380: resolve the snapshot's dashboard by uid so the delete permission check is not skipped
• CVE-2024-10452: require a matching org (or server admin) to revoke an invite
• CVE-2026-28379: take the read lock around the managed-stream map lookup to stop a fatal concurrent map read/write crash
• CVE-2026-28376: bound the Live push request body at 500k
• CVE-2026-28383: bound the plugin resource request body at 128 MiB
• CVE-2026-28375: cap testdata scenario data points at 10000
• CVE-2026-27879: bound the mathexp.Resample upsample length

• CVE-2026-10601: reject path traversal in Loki resource paths and non-hexadecimal Tempo trace IDs
• CVE-2026-28376: limit Grafana Live push request bodies to 500 KiB
• CVE-2026-28379: synchronize managed-stream map reads
• CVE-2026-28383: limit plugin resource request bodies to 128 MiB

These are all security issues fixed in the grafana-11.6.14+security04-1.1 package on the GA media of openSUSE Tumbleweed.

This update for grafana fixes the following issues:

Changes in grafana:

• CVE-2026-39821: Fix validation bypass and privilege escalation by updating golang.org/x/net to version 0.55.0 (bsc#1266600)

• Update to version 11.6.14+security-04: Security:

  • CVE-2026-28374: Fix insecure direct object reference in Annotations API (bsc#1265290)
  • CVE-2026-28376: Fix unbounded memory allocation in Grafana Live push endpoint (bsc#1265289)
  • CVE-2026-28383: Fix unbounded memory allocation in Grafana plugin resources (bsc#1265286)
  • CVE-2026-28380: Fix broken access control in Snapshot API (bsc#1265287)
  • CVE-2026-33376: Fix Auth Proxy IPv6 whitelist bypass (bsc#1265285)
  • CVE-2026-28379: Fix viewer-triggered race condition in Grafana Live (bsc#1265288)
  • CVE-2026-33377: Fix dashboard Editor Privilege Escalation (bsc#1265284)
  • CVE-2026-33378: Fix OOM exception in Grafana Data Source Plugin (bsc#1265283)
  • CVE-2026-33381: Prevent users from generating Service Account tokens after permissions removal (bsc#1265281)
  • CVE-2026-33380: Fix vulnerability in SQL Expressions allowing an authenticated attacker to read arbitrary files from the Grafana server’s filesystem (bsc#1265282)

• CVE-2026-34986: Fix panic in JWE decryption (bsc#1262950)

• CVE-2026-41602: Fix Integer Overflow or Wraparound vulnerability in Apache Thrift (bsc#1263501)

• CVE-2026-26958: Bump filippo.io/edwards25519 to version 1.1.1 (bsc#1258595)

• CVE-2026-21725: Fix missing UID when deleting datasource by name (bsc#1258873)

• Update to version 11.6.14+security-01: Security:

  • CVE-2026-33375: Fix denial of Service via out-of-memory exhaustion in MSSQL data source plugin (bsc#1260881)

• Update to version 11.6.14: Security:

  • CVE-2026-27876: Fix remote arbitrary code execution via chained SQL Expressions (bsc#1261025)
  • CVE-2026-27877: Fix information disclosure of data-source passwords via public dashboards (bsc#1261026)
  • CVE-2026-28375: Fix denial of service via testdata data-source (bsc#1261029)
  • CVE-2026-27879: Fix denial of service via resample query (bsc#1261027)
  • CVE-2026-33186: Fix authorization bypass due to improper validation of the HTTP/2 :path pseudo-header (bsc#1260263)
  • CVE-2026-21724: Fix authorization bypass allows modification of protected webhook URLs (bsc#1260878)

• Update to version 11.6.13: Enhancement:

  • Wire the public dashboard service to the HTTP server

• Update to version 11.6.12: Enhancement:

  • Update authentication redirect logic Bug fix:
  • Fix single panel render with variable references

This update fixes the following issues:

dracut-saltboot updated to version 1.2.1:

• Key Update Highlights (v1.2.1)
  • Added wait check for minion start (default 10s), configurable using rd.saltboot.salt_start_timeout option (bsc#1260870)
  • Decouple salt key wait check to use separate configurable option rd.saltboot.salt_key_timeout, with default 60s
  • Introduce rd.saltboot namespace for all options, mark old as deprecated

golang-github-QubitProducts-exporter_exporter:

• Security issues fixed:
  • CVE-2022-21698: Fixed prometheus/client_golang possible denial of service using InstrumentHandlerCounter (bsc#1248699)

golang-github-boynux-squid_exporter:

• Non customer facing changes

golang-github-lusitaniae-apache_exporter:

• Non customer facing changes

golang-github-prometheus-alertmanager:

• Non customer facing changes

golang-github-prometheus-node_exporter updated to version 1.10.2:

• Key Update Highlights (v1.10.0 to v1.10.2):
  • New Collectors: Added new collectors for PCIe devices and swaps.
  • New Metrics: Introduced metrics for Zswap/Zswapped, Systemd Virtualization, and WiFi packets (received/transmitted)
  • Bug Fixes: Resolved a duplicate collection bug in filesystem mount points, fixed a Zswap metric typo, and patched a logging race condition in systemd.
  • Changes: Switched mdadm to use sysfs for RAID metrics, and added erofs to the default excluded filesystems list.
  • Internal Refactoring: filesystem mountinfo parsing refactor (bsc#1261810)

golang-github-prometheus-prometheus updated to version 3.5.3:

• Security issues fixed:

  • CVE-2026-42151: AzureAD remote write: Fixed OAuth client_secret being exposed in plaintext via /-/config endpoint (v3.5.3) (bsc#1263986)
  • CVE-2026-42154: Remote-read: Reject snappy-compressed requests whose declared decoded length exceeds the limit (v3.5.3) (bsc#1263987)
  • CVE-2026-40179: UI: Fixed stored XSS via unescaped le label values in old UI heatmap chart tick labels (v3.5.2) (bsc#1262222).
  • CVE-2026-39821: Fixed validation bypass and privilege escalation by updating golang.org/x/net to version 0.55.0 (backported patch) (bsc#1266608)

• Other changes:

  • Remote-Write: Reject snappy-compressed requests whose declared decoded length exceeds the decode limit (v3.5.3)
  • Use systemd tmpfiles.d to create /var/lib/prometheus hierarchy (jsc#PED-14816)
  • Internal update with non customer facing changes (v3.5.1)

grafana updated to version 11.6.14+security-04:

• Security issues fixed in v11.6.14+security-04:
  • CVE-2026-28374: Fixed insecure direct object reference in Annotations API (bsc#1265290)
  • CVE-2026-28376: Fixed unbounded memory allocation in Grafana Live push endpoint (bsc#1265289)
  • CVE-2026-28383: Fixed unbounded memory allocation in Grafana plugin resources (bsc#1265286)
  • CVE-2026-28380: Fixed broken access control in Snapshot API (bsc#1265287)
  • CVE-2026-33376: Fixed Auth Proxy IPv6 whitelist bypass (bsc#1265285)
  • CVE-2026-28379: Fixed viewer-triggered race condition in Grafana Live (bsc#1265288)
  • CVE-2026-33377: Fixed dashboard Editor Privilege Escalation (bsc#1265284)
  • CVE-2026-33378: Fixed OOM exception in Grafana Data Source Plugin (bsc#1265283)
  • CVE-2026-33381: Prevent users from generating Service Account tokens after permissions removal (bsc#1265281)
  • CVE-2026-33380: Fixed vulnerability in SQL Expressions allowing an authenticated attacker to read arbitrary files from the Grafana server’s filesystem (bsc#1265282)
• Security issues fixed through backported patches:
  • CVE-2026-39821: Fixed validation bypass and privilege escalation by updating golang.org/x/net to version 0.55.0 (bsc#1266600)
  • CVE-2026-34986: Fixed panic in JWE decryption (bsc#1262950)
  • CVE-2026-41602: Fixed Integer Overflow or Wraparound vulnerability in Apache Thrift (bsc#1263501)
  • CVE-2026-25680, CVE-2026-42502, CVE-2026-27136, CVE-2026-25681, CVE-2026-42506: Fixed multiple issues when…

This update fixes the following issues:

Release Notes Highlights:

• Update to SUSE Multi-Linux Manager 5.1.4
  • Added note about migration for SUSE Linux Enterprise Server 16 on SSH managed minions
  • Product Migration from SUSE Linux Enterprise Server 15 SP7 to 16.0
  • SUSE Liberty Linux 9.6 Support
  • New API Endpoint - listMigrationTargetsWithChannels
  • Debian 12 End-of-Life Notice
  • SUSE Registry URL Change
  • Security fixes: CVE-2026-34986, CVE-2026-41602, CVE-2026-39821, CVE-2026-42198 CVE-2022-21698, CVE-2026-40179, CVE-2026-42151, CVE-2026-42154 CVE-2026-28374, CVE-2026-28376, CVE-2026-28379, CVE-2026-28380 CVE-2026-28383, CVE-2026-33376, CVE-2026-33377, CVE-2026-33378 CVE-2026-33380, CVE-2026-33381
  • Bugs mentioned: bsc#1226578, bsc#1234567, bsc#1238890, bsc#1242916, bsc#1245107 bsc#1247707, bsc#1248699, bsc#1249243, bsc#1253032, bsc#1257583 bsc#1257894, bsc#1258041, bsc#1258079, bsc#1258144, bsc#1258382 bsc#1258816, bsc#1259087, bsc#1259230, bsc#1259261, bsc#1259474 bsc#1259479, bsc#1259482, bsc#1259521, bsc#1259590, bsc#1259591 bsc#1259700, bsc#1259739, bsc#1259787, bsc#1259960, bsc#1260031 bsc#1260614, bsc#1260806, bsc#1261305, bsc#1261307, bsc#1261327 bsc#1261631, bsc#1261723, bsc#1261753, bsc#1261841, bsc#1261902 bsc#1262090, bsc#1262285, bsc#1262460, bsc#1262471, bsc#1262492 bsc#1262595, bsc#1262708, bsc#1262720, bsc#1262761, bsc#1263814 bsc#1263841, bsc#1264149, bsc#1264234, bsc#1264256, bsc#1264966 bsc#1265134, bsc#1265319, bsc#1265358, bsc#1265975, bsc#1266012 bsc#1262950, bsc#1263501, bsc#1266600, bsc#1266556, bsc#1264174 bsc#1262222, bsc#1263986, bsc#1263987, bsc#1265290, bsc#1265289 bsc#1265288, bsc#1265287, bsc#1265286, bsc#1265285, bsc#1265284 bsc#1265283, bsc#1265282, bsc#1265281, bsc#1269253, bsc#1269534

Container images and uyuni-tools changes:

server-attestation-image:

• Version 5.1.15
  • Image rebuilt to the newest version with updated dependencies for SUSE Multi-Linux Manager 5.1.4

server-hub-xmlrpc-api-image:

• Version 5.1.14
  • Image rebuilt to the newest version with updated dependencies for SUSE Multi-Linux Manager 5.1.4

server-image:

• Version 5.1.15
  • Healthcheck on disk usage based on taskomatic (bsc#1238890)
  • Added mozilla-nss-sysinit to Dockerfile required for FIPS (bsc#1247707)
  • Do not get repositories from SCC in the server container (bsc#1242916)
  • Added 'susemanager-tools', 'susemanager' and 'susemanager-tools-salt' packages to server-image

server-migration-14-16-image:

• Version 5.1.14
  • Image rebuilt to the newest version with updated dependencies for SUSE Multi-Linux Manager 5.1.4

server-postgresql-image:

• Version 5.1.13
  • Healthcheck on disk usage based on taskomatic (bsc#1238890)
  • Added needed pg_hba rules on upgrade (bsc#1262492, bsc#1264149)

server-saline-image:

• Version 5.1.14
  • Use python3*-tornado6 package to make it working with Python 3.11

uyuni-tools:

• Version 5.1.29-0 Check backup status only after database is started (bsc#1262492)
• Version 5.1.28-0
  • Remove waitForTraefik function (bsc#1261902)
  • Fix inspect: missing registry for db image (bsc#1259739)
  • Preserve hub replicas during upgrade (bsc#1262708)
  • Stop automatically unhealthy container
  • Ignore spacewalk-service stop return code.
  • Use correct CA for Report DB (bsc#1260806)
  • Do not call podman healthcheck run to wait for pods to be ready (bsc#1266012)

The following packages are underlying build dependencies and system components used by the containers:

cobbler:

• Added the distro signature for rhel10 (bsc#1265134)

liberate-formula:

• Version 0.1.4
  • No customer facing changes
• Version 0.1.3
  • Liberate formula support for EL10 (bsc#1265975)

prometheus-exporters-formula:

• Version 1.4.3
  • Added support for Python 3.13
  • Drop migrate_formula_data script as it is obsolete

prometheus-postgres_exporter:

-…

This update for grafana fixes the following issues:

grafana updated from version 11.6.14+security04 to version 12.4.5:

Security fixes:

• CVE-2026-39882: Prevent memory exhaustion DoS in OpenTelemetry OTLP HTTP exporters (bsc#1274217)
• CVE-2026-33382: Limit the size of the request body before processing it at several Grafana API endpoints (bsc#1271331)
• CVE-2025-12141: Fixed information leakage in Grafana Alerting (bsc#1262187)
• CVE-2026-41607: Fix potential information disclosure in Apache Thrift (bsc#1263272)

Breaking chahnges introduced in version 12.0.0:

• BREAKING: Removed AngularJS and all deprecated UI Extensions APIs.
• BREAKING: Enforced stricter version compatibility checks in plugin CLI install commands.
• BREAKING: Enabled the failWrongDSUID feature flag by default, which rejects data sources with incorrect UIDs.

Other changes introduced from version 11.6.14+security04 to version 12.4.5 (jsc#PED-16512):

• Add Legal-Review-Notice (bsc#1271327)
• Datasources: return 400 when payload UID does not match URL UID in PUT /api/datasources/uid/:uid
• Analytics: Keep internal dashboard id.
• Reporting: Correctly apply appSubURL to report settings requests
• Alerting: Document Grafana HA Alertmanager cluster metrics prefix change.
• Dependency updates to core plugins and UI libraries.
• Updates to data source provisioning and dashboard schemas.
• Introduced dynamic dashboards in public preview.
• Added a new side toolbar that replaces the second top toolbar to provide additional vertical space.
• Added the ability to create dashboards from templates using sample data.
• Revamped the gauge visualization with rounded bars, configurable bar thickness, and endpoint markers.
• Added support to map one variable to multiple values.
• Released a completely redesigned logs visualization.
• Added the ability to export dashboards directly as PNG images.
• Introduced an interactive learning experience within the Grafana UI.
• Added a Switch template variable type to quickly toggle between values in queries.
• Added functionality to style table cells using CSS properties via the field cell option.
• Added support for Entra Workload Identity to enhance authentication capabilities with federated credentials.
• Redesigned the alert rule list page.
• Renamed Mute Timings to Active Time Intervals in Grafana Alerting.
• Added support for Service Account Impersonation in the BigQuery data source.
• Introduced the Grafana Advisor in public preview.
• Introduced a new dashboard schema to replace the original single grid layout.
• MIGRATION: Triggered a full-table rewrite for the annotation table, which may temporarily increase disk usage.