CVE-2026-15687Active Exploitation

LOWCVSS 2.4 · LOW

Exploitation ongoing with high activity in latest observed window (1 mentions)

Immediate actions

Prioritize remediation for affected systems immediately
Assume compromise if assets are exposed
Track advisory updates for patch or workaround availability

Recommended action window: Immediate (within 24h)

NVD description

A security issue was discovered in the Kubernetes Java client library where a compromised pod may be able to create new files in arbitrary locations on the client machine executing copy operations via non-tar copyDirectoryFromPod when enableTarCompressing is false.

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3.5/ 10 priority

Sources & remediation

Other references

https://github.com/kubernetes-client/java/issues/4861

Weakness type (CWE)

CWE-22

Priority

LOW

Exploitation

ACTIVE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

Active exploitation appears in 1 classified signals
1 mentions across 1 observed day

What's happening

Active exploitation reported across 1 signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Active Exploitation

1100.0%

Referenced assets1 URL

By indicator

https://vuldb.com/vuln/382781/cti

Full discourse1 post

VulDB 🛡@vuldb91d
Active Exploitation
A lot of offensive activities were identified targeting Kubernetes Java Client (CVE-2026-15687) https://vuldb.com/vuln/382781/cti
Post summary
The post indicates that CVE‑2026‑15687 in the Kubernetes Java Client is being actively exploited, as several offensive operations targeting the flaw have been detected.
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