CVE-2026-48050

A flaw was found in Arc. This vulnerability allows a remote unauthenticated attacker to access Go debug pprof endpoints due to improper authentication bypass. Successful exploitation can lead to the disclosure of sensitive runtime state information and enable a CPU-burn Denial of Service DoS...

Linux Distros Unpatched Vulnerability : CVE-2026-48050

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Arc is an open, SQL-native time-series database for telemetry. Versions prior to 26.06.1 register Go's net/http/pprof handlers at /debug/pprof/ via...

CVE-2026-55678

Arc is an open, SQL-native time-series database for telemetry. From 26.02.1 until 26.06.2, Arc Enterprise clustering accepts cluster join requests without authentication when cluster.enabled is true but cluster.sharedsecret is not configured. The defaults in internal/config/config.go set...

CVE-2026-55678

creationtimestamp| type| source ---|---|--- 2026-08-28 21:31:53+00:00| seen| https://gist.github.com/alon710/f6616451da7f3f1b989952d24a3d867c 2026-08-28 22:35:03+00:00| published-proof-of-concept| https://github.com/Basekick-Labs/arc/security/advisories/GHSA-p378-jp5r-gpgw...

arc has unauthenticated cluster node admission when `cluster.shared_secret` is unset

Summary Arc Enterprise clustering accepts cluster join requests without authentication when cluster.enabled=true but cluster.sharedsecret is not configured. The coordinator validates HMAC authentication only if a shared secret is non-empty; otherwise, a network attacker who can reach the...

GHSA-P378-JP5R-GPGW arc has unauthenticated cluster node admission when `cluster.shared_secret` is unset

Summary Arc Enterprise clustering accepts cluster join requests without authentication when cluster.enabled=true but cluster.sharedsecret is not configured. The coordinator validates HMAC authentication only if a shared secret is non-empty; otherwise, a network attacker who can reach the...

CVE-2026-55678

Arc is an open, SQL-native time-series database for telemetry. In Enterprise cluster deployments from v26.02.1 to v26.06.2 , the coordinator accepts cluster join requests without authentication when cluster.enabled=true but cluster.shared_secret is empty. The HMAC validation in coordinator.go is ...

CVE-2026-55678 Arc: Unauthenticated cluster node admission when `cluster.shared_secret` is unset

Arc is an open, SQL-native time-series database for telemetry. From 26.02.1 until 26.06.2, Arc Enterprise clustering accepts cluster join requests without authentication when cluster.enabled is true but cluster.sharedsecret is not configured. The defaults in internal/config/config.go set...

CVE-2026-55678 Arc: Unauthenticated cluster node admission when `cluster.shared_secret` is unset

Arc is an open, SQL-native time-series database for telemetry. From 26.02.1 until 26.06.2, Arc Enterprise clustering accepts cluster join requests without authentication when cluster.enabled is true but cluster.sharedsecret is not configured. The defaults in internal/config/config.go set...

PT-2026-83343

Name of the Vulnerable Software and Affected Versions Arc versions 26.02.1 through 26.06.1 Description Arc Enterprise clustering allows cluster join requests without authentication when cluster.enabled is set to true but cluster.shared secret is not configured. A network attacker who can reach th...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ARC: mm: fix leakage of memory allocated for PTE Since the commit d9820ff “ARC: mm: switch pgtablet back to struct page ”, a memory leakage problem occurred. Memory allocated for page table entries wasn’t released during process...

Astra Linux – Vulnerability in Cairo

A issue was discovered in cairo 1.16.0. There is an infinite loop in the function arcerrornormalized in the file cairo-arc.c, which is related to arcmaxanglefortolerancenormalized...

Astra Linux – Vulnerability in RustC

In the standard library of Rust before version 1.29.0, there is weak synchronization in the Arc::getmut method. This synchronization issue can lead to memory safety issues due to race conditions...

CVE-2026-48050

Arc is an open, SQL-native time-series database for telemetry. Versions prior to 26.06.1 register Go's net/http/pprof handlers at /debug/pprof/ via app.Usepprof.New in internal/api/server.go, and /debug/pprof is added to PublicPrefixes in cmd/arc/main.go. The auth middleware short-circuits before...

CVE-2026-48105

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc Enterprise's Raft FSM internal/cluster/raft/fsm.go:applyRegisterFile accepts attacker-chosen file paths in manifest-registration proposals without validating them against the configured storage backend. T...

CVE-2026-48106

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc Enterprise's cluster replication receiver at internal/cluster/replication/receiver.go validates only the wire-format envelope length, opcode of inbound messages. The MsgReplicateSync payload itself is...

CVE-2026-47735

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc's user-SQL validator internal/api/query.go:ValidateSQLRequest blocked only readparquet and arcpartitionagg via regex denylist. The broader DuckDB I/O function family — readcsvauto, readcsv, readjson,...

CVE-2026-48106 Arc Enterprise cluster replication accepts unauthenticated MsgReplicateSync messages, enabling cluster-wide data injection from any TLS-trusted peer

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc Enterprise's cluster replication receiver at internal/cluster/replication/receiver.go validates only the wire-format envelope length, opcode of inbound messages. The MsgReplicateSync payload itself is...

CVE-2026-48106

Arc Enterprise (an open, SQL-native time-series database for telemetry) prior to version 2026.06.1 has a vulnerability in its cluster replication receiver (internal/cluster/replication/receiver.go). The MsgReplicateSync payload is accepted without any application-layer authentication — no HMAC, s...

EUVD-2026-64193

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc Enterprise's cluster replication receiver at internal/cluster/replication/receiver.go validates only the wire-format envelope length, opcode of inbound messages. The MsgReplicateSync payload itself is...