Is CVE-2026-3053 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-3053, but active exploitation has not been confirmed.

Can CVE-2026-3053 be exploited remotely?

Yes. CVE-2026-3053 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-3053?

CVE-2026-3053 has a CVSS score of 9.8 (CRITICAL) and an EPSS exploitation probability of 0.11%.

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CRITICALPOC

CVE-2026-3053

CWE-287Published: February 24, 2026· Updated: Feb 25, 2026

9.8

CVSS v3.1

EPSS:0.11%probability of exploitation in 30 daysPercentile:29.7th

Official Description

A vulnerability was determined in DataLinkDC dinky up to 1.2.5. This affects the function addInterceptors of the file dinky-admin/src/main/java/org/dinky/configure/AppConfig.java of the component OpenAPI Endpoint. Executing a manipulation can lead to missing authentication. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-3053 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2026-3053. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.