EUVD-2026-23100

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

GHSA-497X-RRR9-68JP Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

CVE-2026-21726 is a Grafana Loki path traversal vulnerability related to namespace parameter handling. The literature links it to the historic CVE-2021-36156 bypass in Loki’s path traversal, potentially allowing an attacker to read files via the Ruler API endpoint /loki/api/v1/rules/{namespace} a...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

Grafana Loki 安全漏洞

Grafana Loki is an open-source log aggregation system developed by Grafana. There is a security vulnerability in Grafana Loki, which stems from insufficient validation of path traversal sequences. This vulnerability could allow attackers to read Ruler API endpoint files through double-encryption...

CLEANSTART-2026-CG86499 Security fixes for CVE-2026-24051, CVE-2026-25679, CVE-2026-27139, CVE-2026-27142, CVE-2026-33186 applied in versions: 3.6.5-r0

Multiple security vulnerabilities affect the fluent-bit-plugin-loki package. These issues are resolved in later releases. See references for individual vulnerability details...

CVE-2026-32285 vulnerabilities

Vulnerabilities for packages: influxd, kubevela, witness, chainloop-cli-fips, nuclei, dagger, eksctl, tempo-fips, cri-tools, elastic-agent-fips, minio-fips, terraform-mcp-server, datadog-agent, gitlab-runner, teleport, minio, ollama-fips, redpanda, goreleaser, prometheus, loki-fips,...

CVE-2026-32285 vulnerabilities

Vulnerabilities for packages: rclone, terraform-mcp-server, goreleaser, loki, malcontent, opentelemetry-collector, prometheus, lazygit, gitlab-runner, datadog-agent, dagger, ollama, dgraph, weaviate, nfpm, tempo, redpanda, k8sgpt, opentelemetry-collector-contrib, terragrunt, eksctl, nuclei,...

GHSA-FW7P-63QQ-7HPR vulnerabilities

Vulnerabilities for packages: certificate-transparency, mariadb-operator, nuclei, spire-server, kubeflow-pipelines, kine, chezmoi, elastic-agent-fips, caddy, sops-fips, step-kms-plugin-fips, step-issuer, mattermost, sqlexporter-fips, sftpgo, vault-fips, step-ca-fips, tailscale, envoy-gateway-fips...

The vulnerability of the system’s application programming interface for aggregating and storing Loki logs allows a perpetrator to gain unauthorized access to protected information.

The vulnerability of the system’s application programming interface for aggregating and storing Loki logs is related to an incorrect limitation on the path name to the catalog. Exploiting this vulnerability could allow a malicious actor, operating remotely, to gain unauthorized access to protecte...

GHSA-FW7P-63QQ-7HPR vulnerabilities

Vulnerabilities for packages: chezmoi, envoy-gateway, gitea, rekor, hydra, temporal, loki, temporal-server, cerbos, mariadb-operator, openbao, kyverno-policy-reporter, step, trufflehog, apko, seaweedfs, age, dgraph, jitsucom-bulker, argo-workflows, timestamp-authority, sftpgo, fulcio,...

SUSE-SU-2026:0327-1 Security update for alloy

This update for alloy fixes the following issues: Update to 1.12.2: Security fixes: - CVE-2025-68156: github.com/expr-lang/expr/builtin: Fixed potential DoS via unbounded recursion bsc1255333: - CVE-2025-31133, CVE-2025-52565, CVE-2025-52881: github.com/opencontainers/runc: Fixed container...

Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

PT-2026-21013

Name of the Vulnerable Software and Affected Versions Loki affected versions not specified Description An issue in the log aggregation and storage system exists due to improper restriction of the directory path name. By using double encoding to bypass validation of the namespace parameter for pat...