CVE-2026-33378General(grafana / grafana)

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-400

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • grafana

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
grafana

6 versions affected across 1 product

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-05-13: 1Technical Details · 2026-05-13: 105-13
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • CVE@CVEnew
    General

    CVE-2026-33378 Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is… https://www.cve.org/CVERecord?id=CVE-2026-33378

    Post summary

    The post explains that using the $__timeGroup macro can trigger an OOM condition against a SQL data source, but it offers no proof‑of‑concept, patch information, or evidence of real‑world exploitation.

    00000142
    57.5K followersView on X
CPE platform detail10 entries

10 of 10 entries

PartVendorProductVersionTarget SWTarget HW
Appgrafanagrafana---
Appgrafanagrafana11.6.14--
Appgrafanagrafana11.6.14--
Appgrafanagrafana12.2.8--
Appgrafanagrafana12.2.8--
Appgrafanagrafana12.3.6--
Appgrafanagrafana12.3.6--
Appgrafanagrafana12.4.3--
Appgrafanagrafana13.0.0--
Appgrafanagrafana13.0.1--

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