CVE search
Every published CVE plus open-source advisories (NVD, OSV, GitHub), with CVSS, EPSS and whether it is being exploited in the wild (CISA KEV). Updated every few hours. Our scans match these against the technologies they detect.
Every published CVE plus open-source advisories (NVD, OSV, GitHub), with CVSS, EPSS and whether it is being exploited in the wild (CISA KEV). Updated every few hours. Our scans match these against the technologies they detect.
| 25/03/2026 |
| CVE-2026-27889 | ALTO7.5 | NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and so is exposed to anyo | 25/03/2026 |
| CVE-2026-33215 | MÉDIO6.5 | NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The nats-server provides an MQTT client interface. Prior to versions 2.11.15 and 2.12.5, Sessions and Messages can by hijacked via MQTT Client ID malfeasance. Versions 2.11.15 and 2.12.5 patch the issue. No known workarounds | 24/03/2026 |
| CVE-2026-27571 | ALTO7.5 | NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. The WebSockets handling of NATS messages handles compressed messages via the WebSockets negotiated compression. Prior to versions 2.11.2 and 2.12.3, the implementation bound the memory size of a NATS message but did not inde | 24/02/2026 |
| CVE-2023-46129 | ALTO7.5 | NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing. The cryptographic key handling library, nkeys, recently gained support for encryption, not just for signing/authentication. This is used in nats-server 2.10 (Sep 2023) and ne | 31/10/2023 |
| CVE-2023-47090 | MÉDIO6.5 | NATS nats-server before 2.9.23 and 2.10.x before 2.10.2 has an authentication bypass. An implicit $G user in an authorization block can sometimes be used for unauthenticated access, even when the intention of the configuration was for each user to have an account. The earliest affected version is 2.2.0. | 30/10/2023 |
| CVE-2022-28357 | CRÍTICO9.8 | NATS nats-server 2.2.0 through 2.7.4 allows directory traversal because of an unintended path to a management action from a management account. | 19/09/2023 |
| CVE-2022-26652 | MÉDIO6.5 | NATS nats-server before 2.7.4 allows Directory Traversal (with write access) via an element in a ZIP archive for JetStream streams. nats-streaming-server before 0.24.3 is also affected. | 10/03/2022 |
| CVE-2022-24450 | ALTO8.8 | NATS nats-server before 2.7.2 has Incorrect Access Control. Any authenticated user can obtain the privileges of the System account by misusing the "dynamically provisioned sandbox accounts" feature. | 08/02/2022 |
| CVE-2021-3127 | ALTO7.5 | NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled. | 16/03/2021 |
| CVE-2020-28466 | ALTO7.5 | This affects all versions of package github.com/nats-io/nats-server/server. Untrusted accounts are able to crash the server using configs that represent a service export/import cycles. Disclaimer from the maintainers: Running a NATS service which is exposed to untrusted users presents a heightened risk. Any remote exec | 07/03/2021 |
| CVE-2020-26892 | CRÍTICO9.8 | The JWT library in NATS nats-server before 2.1.9 has Incorrect Access Control because of how expired credentials are handled. | 06/11/2020 |
| CVE-2020-26521 | ALTO7.5 | The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code). | 06/11/2020 |
| CVE-2019-13126 | ALTO7.5 | An integer overflow in NATS Server before 2.0.2 allows a remote attacker to crash the server by sending a crafted request. If authentication is enabled, then the remote attacker must have first authenticated. | 29/07/2019 |