qinming99 dst-admin restore revertBackup command injection

published 2026-02-22 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7553

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 8.9%; EPSS 8.9% chance of exploitation in 30 days, percentile 95%
public exploits: 0; none known

A security flaw has been discovered in qinming99 dst-admin up to 1.5.0. This affects the function revertBackup of the file /home/restore. The manipulation of the argument Name results in command injection. The attack can be launched remotely. The exploit has been released to the public and may 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

8.90% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

fx4tqqfvdw4.feishu.cn https://fx4tqqfvdw4.feishu.cn/docx/ObYgdtoweowo8Vx4dmuckqC7nBe?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:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/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:L/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	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

qinming99 dst-admin

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

fx4tqqfvdw4.feishu.cn /docx/ObYgdtoweowo8Vx4dmuckqC7nBe?from=from_copylink
exploit, third-party-advisory
vuldb.com /?id.347323
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.347323
signature, permissions-required, vdb-entry
vuldb.com /?submit.754508
third-party-advisory, vdb-entry

Sources

CVE List CVE-2026-2956
NVD CVE-2026-2956

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