CVE-2026-26940General(elastic / kibana)

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

Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPEC-130). The vulnerability allows an authenticated user to send a specially crafted Timelion expression that overwrites internal series data properties with an excessively large quantity value.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-1284

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

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

  • kibana

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-03-19); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
kibana

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-19: 1Mentions · 2026-03-23: 1Technical Details · 2026-03-23: 103-1903-23
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-03-191
General1
2026-03-231
Disclosure1
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-26940 Improper Validation of Specified Quantity in Input (CWE-1284) in the Timelion visualization plugin in Kibana can lead Denial of Service via Excessive Allocation (CAPE… https://www.cve.org/CVERecord?id=CVE-2026-26940

    Post summary

    CVE-2026-26940 is a denial‑of‑service vulnerability in Kibana's Timelion plugin caused by improper validation that can lead to excessive memory allocation.

    0000070
    56.8K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-26940 Kibana Timelion Visualization Plugin Denial of Service vi... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-26940 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2

    Post summary

    The tweet only references CVE‑2026‑26940 and links to a vulnerability details page without offering any exploit, patch, or technical information.

    0000039
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appelastickibana---

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