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CVE

CVE-2026-27880

Grafana: Grafana: Denial of Service via unbounded memory read in feature toggle evaluation (important)
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CVE

CVE-2026-27880

Grafana: Grafana: Denial of Service via unbounded memory read in feature toggle evaluation (important)

DOCUMENTATION: A flaw was found in Grafana. A remote attacker can exploit the feature toggle evaluation endpoint by sending unbounded values, causing the system to read excessive data into memory. This can lead to out-of-memory crashes, resulting in a Denial of Service (DoS) for the affected service. 

            

            MITIGATION: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
C
H
U
-
C
H
U
-

Related Resources

No items found.

References

https://access.redhat.com/security/cve/CVE-2026-27880

Severity

0

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
0
EPSS Probability
0.00037%
EPSS Percentile
0.11268%
Introduced Version
0
Fix Available
12.2.8-r0,11.5.10-r2,11.6.14.01-r2,12.0.10-r0,12.1.10.01-r2,12.2.8.01-r2,12.3.6-r1,11.5.10-r3,11.6.14-r2,12.0.10-r2,12.1.10.01-r0,12.2.8.01-r0,12.3.6.01-r0

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