qinming99 dst-admin File BackupController.java deleteBackup denial of service

published 2026-02-22 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7595

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 37%
public exploits: 0; none known

A weakness has been identified in qinming99 dst-admin up to 1.5.0. This impacts the function deleteBackup of the file src/main/java/com/tugos/dst/admin/controller/BackupController.java of the component File Handler. This manipulation causes denial of service. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-23)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

fx4tqqfvdw4.feishu.cn https://fx4tqqfvdw4.feishu.cn/docx/YKwydLrdno51JtxJksmcWSfbnvd?from=from_copylink referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	5.4	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	5.5	AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
NVD	3.1	8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
CNA	2.0	5.5	AV:N/AC:L/Au:S/C:N/I:P/A:P

Affected products

qinming99 dst-admin

Classification

Weakness

CWE-404 Improper Resource Shutdown or Release

References

fx4tqqfvdw4.feishu.cn /docx/YKwydLrdno51JtxJksmcWSfbnvd?from=from_copylink
exploit, third-party-advisory
vuldb.com /?id.347324
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.347324
signature, permissions-required, vdb-entry
vuldb.com /?submit.754510
third-party-advisory, vdb-entry

Sources

CVE List CVE-2026-2957
NVD CVE-2026-2957

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary