CVE catalog
CVE-2026-42127
The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payl
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.43% · Oct 25, 2026
The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | grafana | Not reported | Not reported | unknown |
| Go | github.com/grafana/grafana | Not reported | 1.9.2-0.20260616075434-82ef13993059 | fixed |
| Opensuse | grafana | tumbleweed | 12.4.5-3.1 | fixed |
| Ubuntu | grafana | 16.04 | 2.6.0+dfsg-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Go | github.com/grafana/grafana | go | Not reported | 1.9.2-0.20260616075434-82ef13993059 | Not reported | GHSA-3W66-95M3-8JXG | Not reported |
| Opensuse | grafana | rpm | tumbleweed | 12.4.5-3.1 | Not reported | OPENSUSE-SU-2026:11332-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11332-1.json]
- [https://github.com/advisories/GHSA-3w66-95m3-8jxg]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-42127]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-42127]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:11332-1]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42127.json]
[FIRST EPSS] · [GitHub Advisory Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]