CVE-2026-33246
4 advisories.
Go/github.com/nats-io/nats-server/v2 CVE-2026-33246: medium 6.4, EPSS 0.25%
NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers
Action: Upgrade github.com/nats-io/nats-server/v2 to 2.11.15 or later.
go get github.com/nats-io/nats-server/v2@v2.11.15go get github.com/nats-io/nats-server/v2@v2.12.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.15 | - |
| 2.12.0-RC.1 | 2.12.6 | - |
Fixed versions
| 2.11.15 | 2.12.6 |
Sources
- osv: GHSA-55h8-8g96-x4hj
- https://github.com/nats-io/nats-server/security/advisories/GHSA-55h8-8g96-x4hj
- https://nvd.nist.gov/vuln/detail/CVE-2026-33246
- https://advisories.nats.io/CVE/secnote-2026-08.txt
- https://github.com/nats-io/nats-server
CVE-2026-33246 · published · modified · JSON
Go/github.com/nats-io/nats-server CVE-2026-33246: medium 6.4, EPSS 0.25%
NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GHSA-55h8-8g96-x4hj#Go/github.com/nats-io/nats-server
- https://github.com/nats-io/nats-server/security/advisories/GHSA-55h8-8g96-x4hj
- https://nvd.nist.gov/vuln/detail/CVE-2026-33246
- https://advisories.nats.io/CVE/secnote-2026-08.txt
- https://github.com/nats-io/nats-server
CVE-2026-33246 · published · modified · JSON
Go/github.com/nats-io/nats-server CVE-2026-33246: unknown, EPSS 0.25%
NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers in github.com/nats-io/nats-server
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-4830
- https://github.com/nats-io/nats-server/security/advisories/GHSA-55h8-8g96-x4hj
- https://advisories.nats.io/CVE/secnote-2026-08.txt
CVE-2026-33246 · published · modified · JSON
Go/github.com/nats-io/nats-server/v2 CVE-2026-33246: unknown, EPSS 0.25%
NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers in github.com/nats-io/nats-server
Action: Upgrade github.com/nats-io/nats-server/v2 to 2.11.15 or later.
go get github.com/nats-io/nats-server/v2@v2.11.15go get github.com/nats-io/nats-server/v2@v2.12.6Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.11.15 | - |
| 2.12.0-RC.1 | 2.12.6 | - |
Fixed versions
| 2.11.15 | 2.12.6 |
Sources
- osv: GO-2026-4830#Go/github.com/nats-io/nats-server/v2
- https://github.com/nats-io/nats-server/security/advisories/GHSA-55h8-8g96-x4hj
- https://advisories.nats.io/CVE/secnote-2026-08.txt
CVE-2026-33246 · published · modified · JSON