CVE-2026-2684CRITICAL 9.8EPSS p38.0%

CVE-2026-2684CVE-2026-2684

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.49% probability of exploitation · percentile 38.0% · 2026-06-19T12:03:05Z
Published2026-02-19
Last modified2026-04-29

Underlying weaknesses· 2

CWE-284CWE-434

References

  1. https://github.com/luoye197-prog/ziguang-fileupload
  2. https://github.com/luoye197-prog/ziguang-fileupload/blob/main/introduce%26poc
  3. https://vuldb.com/?ctiid.346475
  4. https://vuldb.com/?id.346475
  5. https://vuldb.com/?submit.753973

2

TypeTargetConfidenceTier
WeaknessImproper Access Controlcwe-2840%live
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.