CVE-2026-21729

HIGH
MEDIUM Priority: 0.03 BB Relevance: 75/100
Published: 2026-07-16 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

Loki queries with large limits can cause large memory allocations which can impact the availability of the service, depending on its deployment strategy.

Weakness Classification (1)

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.46%
Raw Score 0.004600
Percentile 39.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00460
2026-10-28
0.00460

Intelligence Sources

nvd ref →