Is CVE-2026-2684 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-2684, but active exploitation has not been confirmed.

Can CVE-2026-2684 be exploited remotely?

Yes. CVE-2026-2684 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2684?

CVE-2026-2684 has a CVSS score of 7.3 (HIGH) and an EPSS exploitation probability of 0.05%.

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HIGHPOC

CVE-2026-2684

CWE-284Published: February 19, 2026· Updated: Feb 19, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.4th

Official Description

A vulnerability was determined in Tsinghua Unigroup Electronic Archives System up to 3.2.210802(62532). The impacted element is an unknown function of the file /Archive/ErecordManage/uploadFile.html. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched 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-2026-2684 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 proof-of-concept (PoC) exploit exists for CVE-2026-2684. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.