7.5

CVE-2026-33382: Denial of service via unbounded request body size

Analyzed
AliasesopenSUSE-SU-2026:11277-1ALPINE-CVE-2026-33382
Published 10-07-2026Last modified 27-08-2026

Vulnerability summary

CVE-2026-33382 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in grafana. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 32.9% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 4
OPENSUSE-SU-2026:21366-1RHSA-2026:54178RHSA-2026:63164RHSA-2026:63165RHSA-2026:65157RHSA-2026:67517

Timeline

  1. 10-07-2026
    PublishedVulnerability first disclosed.
  2. 27-08-2026
    Last modifiedVulnerability information updated.

Description

Several Grafana API endpoints, some of them unauthenticated, do not limit the size of the request body before processing it. An attacker can send very large payloads that force excessive memory allocation, potentially exhausting memory and causing a denial of service.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.39%

Chance of exploitation in the next 30 days

Percentile

33%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.39% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Grafana2 products
  • grafana≥ 11.6.0, < 11.6.15 | ≥ 12.2.0, < 12.2.9 | ≥ 12.3.0, < 12.3.7 | ≥ 12.4.0, < 12.4.4 | ≥ 13.0.0, < 13.0.2
  • grafana oss≥ 11.6.0, ≤ 11.6.14 | ≥ 12.2.0, ≤ 12.2.8 | ≥ 12.3.0, ≤ 12.3.6 | ≥ 12.4.0, ≤ 12.4.3 | ≥ 13.0.0, ≤ 13.0.1
Alpine1 product
  • grafana≥ 11.6.0, < 12.4.4-r0
Opensuse1 product
  • grafana&distro=openSUSE Tumbleweed< 12.4.5-1.1

3 vendors · 4 products

References

3 links