CVE-2026-8595

A user with Editor permissions can craft a dashboard whose table (TableNG) panel contains a malicious field name that executes as a script in the browser of any user who views the dashboard (stored cross-site scripting).

These are all security issues fixed in the grafana-12.4.5-3.1 package on the GA media of openSUSE Tumbleweed.

This update for grafana fixes the following issues:

Changes in grafana:

• CVE-2026-33382: Limit the size of the request body before processing it at several Grafana API endpoints (bsc#1271331)
• CVE-2026-8595: Fix stored XSS in the table panel (bsc#1271557)

This update fixes the following issues:

golang-github-prometheus-prometheus was updated to version 3.13.2:

• Security issues:

  • CVE-2026-39821: Fixed validation bypass and privilege escalation in Punycode label handling (bsc#1266608)
  • CVE-2026-56852: Fixed infinite loop on truncated or invalid UTF-8 input in unicode/norm handling (bsc#1272102)
  • CVE-2026-44990: Fixed stored XSS in the new React UI by sanitizing disallowed xmp elements (bsc#1275205)
  • CVE-2026-53606: Fixed incomplete URI scheme validation in sanitize-html that could enable XSS (bsc#1269966)
  • CVE-2026-2303: Fixed heap out-of-bounds read in GSSAPI error handling in mongo-driver (bsc#1269856)
  • CVE-2025-4673: Fixed credential leaks by stopping HTTP client header forwarding on redirects (bsc#1275206)
  • CVE-2023-45289: Fixed credential leaks by stopping header and cookie forwarding on HTTP redirects (bsc#1275207)
  • CVE-2025-61686: Fixed unauthorized file access and path traversal in react-router storage (bsc#1270711)
  • CVE-2026-40181: Fixed open redirect risks to external domains via relative paths in react-router (bsc#1267528)
  • CVE-2026-42342: Fixed DoS risks via unbounded path expansion in the manifest endpoint (bsc#1267538)
  • CVE-2026-42211: Fixed remote code execution risks from prototype pollution in react-router (bsc#1267534)
  • CVE-2026-39882: Fixed memory exhaustion via uncapped HTTP response reading in OpenTelemetry (bsc#1274221)
  • Fixed potential denial-of-service vulnerabilities by updating the gRPC dependency
  • Fixed memory exhaustion and DoS by rejecting snappy-compressed requests exceeding 32MB limit

• Bug fixes and changes:

  • Fixed scrape manager failing to reload properly when SD configuration changes rapidly.
  • Prevent memory leak in remote-write path when the receiving endpoint is unavailable.
  • Native Histograms are no longer experimental. They are fully supported for production workloads.
  • Added support for OpenTelemetry traces within the Prometheus UI to correlate metrics and traces.
  • TSDB compaction speed optimized by improving the block merging algorithm.
  • Allow scraping of multiple targets using a single HTTP/2 connection to reduce overhead.
  • Added new metrics to monitor the health of the rule evaluation engine.
  • Incompatible: This affects scraping, remote read and write, alerting, and SD. Network paths might need adjustments to avoid redirects.
  • Incompatible: Rule group pagination tokens now use SHA-256 instead of MD5. Custom API consumers must adapt to the new longer token format.
  • Added 'group_limit' parameter to PromQL aggregations to restrict the number of results.
  • Incompatible: promtool relative paths in config files now resolve relative to the config directory itself, instead of the current working directory.
  • Support exporting TSDB blocks directly to cloud storage via the admin API.
  • Incompatible: Deprecated remote-write metrics like prometheus_remote_storage_samples_total are removed in favor of prometheus_wal_watcher_records_read_total.
  • Significant query performance boost for high-cardinality regex matchers.
  • Introduce a new UI interface for safely deleting specific time series data directly.
  • Added dynamic relabeling actions to extract substrings using regex capture groups.
  • Fixed UI displaying incorrect time ranges after a timezone change.
  • Bumped firewalld-prometheus-config to version 0.2 bumping OpenTelemetry to 1.43.0

grafana was updated to version 12.4.10:

• Security issues:

  • CVE-2026-17183: Fixed exposing data accessible through Grafana's configured datasource credentials (bsc#1275934)
  • CVE-2026-2303: Fixed heap out-of-bounds read in GSSAPI error handling in mongo-driver (bsc#1269841)
  • CVE-2026-17033: Fixed stored cross-site scripting risks via malicious Alertmanager generator URLs (bsc#1276426)
  • CVE-2026-73501: Fixed fail-open authentication bypass in kin-openapi default handlers (bsc#1276973) *…

This update for grafana, system-user-grafana fixes the following issues:

• 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)

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