EUVD-2026-84806

mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, the fee-payer cosigning path in src/tempo/internal/fee-payer.ts copied a client-supplied accesslist from a 0x78 FeePayerEnvelope without validating its length or contents. Because EIP-2930 access-list entries consume...

CVE-2026-63627 mppx: Gas Draining with padding

mppx is a TypeScript interface for machine payments protocol. Prior to 0.8.2, FeePayerPolicy in src/tempo/internal/fee-payer.ts used decodeFunctionData to validate fee-sponsored calldata but did not reject trailing bytes. A client could append nonzero padding that increased intrinsic calldata gas...

CLEANSTART-2026-FD99919 Security fix for CVE-2025-11065 applied in: fulcio 1.7.1-r0, fulcio-fips 1.7.1-r1, istio 1.27.1-r0, istio 1.28.7-r0, spark-operator 2.2.1-r0, tempo 2.7.2-r0, tempo 2.8.3-r0, tempo-fips 2.7.2-r0, tempo-fips 2.8.3-r0, tempo-fips 2.9.1-r0

CVE-2025-11065 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-LK18323 Security fix for CVE-2026-32287 applied in: grafana-alloy 1.13.1-r1, grafana-alloy 1.14.1-r0, tempo 2.10.3-r0, tempo 2.7.2-r0, tempo 2.8.3-r0, tempo 2.9.1-r0, tempo-fips 2.10.3-r0, tempo-fips 2.7.2-r0, tempo-fips 2.8.3-r0, tempo-fips 2.9.1-r0

CVE-2026-32287 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-KS29431 Security fix for CVE-2026-32285 applied in: gitlab-runner 18.11.1-r0, grafana-alloy 1.13.1-r1, kubevela 1.10.8-r0, prometheus 3.11.0-r0, tempo 2.10.3-r0, tempo 2.9.1-r1, tempo-fips 2.10.3-r0, tempo-fips 2.9.1-r1, terragrunt-fips 0.94.0-r3, terragrunt-fips 0.95.1-r3, terragrunt-fips 0.96.1-r3, terragrunt-fips 0.98.0-r4

CVE-2026-32285 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-MG98376 Security fix for CVE-2026-28377 applied in: grafana 12.2.10-r1, grafana 12.3.10-r1, grafana 12.4.7-r1, grafana 12.4.9-r1, grafana 13.0.5-r1, grafana 13.0.7-r1, grafana 13.1.0-r3, pmm 3.5.0-r0, tempo 2.7.2-r2, tempo 2.8.3-r0

CVE-2026-28377 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-MY58783 Security fix for CVE-2026-43871 applied in: tempo 3.0.3-r1, vault 1.21.4-r11, vault 2.0.4-r5

CVE-2026-43871 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-VK48825 Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy

Multiple security vulnerabilities affect the grafana package. Tempo queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy. See references for individual vulnerability details...

CVE-2026-88255

CVE-2026-88255 is an improper validation of unsafe equivalence in input in ZenHive mpp (versions 0.2.0 through before 0.16.2). The root cause lies in MPP.Methods.Tempo, where the pre-broadcast dedup reserve (reserve_hash_atomic/2) keys on the caller-supplied raw hex (tx.raw) rather than a canonic...

EUVD-2026-80256

Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/2, keyed...

EEF-CVE-2026-88255 mpp Tempo keys its pre-broadcast dedup reserve on the caller-supplied transaction encoding, so a re-encoded signed transaction reserves a second slot

Summary Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/...

CVE-2026-88255 mpp Tempo keys its pre-broadcast dedup reserve on the caller-supplied transaction encoding, so a re-encoded signed transaction reserves a second slot

Improper Validation of Unsafe Equivalence in Input in ZenHive mpp allows an unauthenticated remote client to pass the Tempo duplicate-submission gate twice with one signed transaction. MPP.Methods.Tempo reserves the pre-broadcast dedup slot on the caller-supplied hex in reservehashatomic/2, keyed...

grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal

A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...

grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal

A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...

SUSE CVE-2026-27878

A TraceQL query in Grafana Tempo with a large exemplars hint value can cause the Tempo instance to allocate an excessive amount of memory, resulting in an out-of-memory crash. This could allow an authenticated user to trigger a denial of service against the Tempo service...

Important: Red Hat Security Advisory: Red Hat OpenShift distributed tracing platform (Tempo) 3.11.0 release

Red Hat OpenShift distributed tracing platform Tempo 3.11.0 has been released This release of the Red Hat OpenShift distributed tracing platform Tempo provides new features, security improvements, and bug fixes. Breaking changes: High availability defaults for TempoStack deployment sizes: Before...

grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal

A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...

grafana: tempo: loki: Tempo and Loki Datasource Plugins: Information disclosure and unauthorized actions via path traversal

A flaw was found in the Tempo and Loki datasource plugins. A remote attacker with a Viewer role could exploit a path traversal vulnerability by manipulating user-supplied input in URL paths. This could allow the attacker to capture sensitive administrator-configured datasource credentials, invoke...

CVE-2026-82751

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to inflate the fee-payer's gas cost per sponsored payment by a large multiplier and to have the sponsor pay for provisioning an access key on the client's own account. When the server sponsor...

CVE-2026-82750 Unbounded EIP-7702 authorization list in mpp Tempo fee-payer sponsorship inflates gas cost and sponsors account delegation

Improper Validation of Specified Quantity in Input in ZenHive mpp allows an unauthenticated remote client to inflate the fee-payer's gas cost per sponsored payment by a large multiplier and to have the sponsor pay for EIP-7702 account delegations of the client's choosing. When the server sponsors...