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CVE-2021-26558

Deserialization of Untrusted Data

HIGH
7.5
CVSS Score
Published: November 11, 2021 at 09:35 AM UTC
Updated: June 17, 2026 at 03:43 AM UTC
1 product affected across 1 vendorShardingsphere UI

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Severity
HIGH7.5
Exploit prediction
EPSS 2%

Description

Deserialization of Untrusted Data vulnerability of Apache ShardingSphere-UI allows an attacker to inject outer link resources. This issue affects Apache ShardingSphere-UI Apache ShardingSphere-UI version 4.1.1 and later versions; Apache ShardingSphere-UI versions prior to 5.0.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Shardingsphere UI· Apache
95%
4.1.1 ≤ v < 5.0.04.1.1 ≤ v < Apache ShardingSphere-UI*4.1.1
Affected range stops below 5.0.0, so it looks safe — our inference, not a vendor statement
Affected range stops below Apache ShardingSphere-UI*, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/11/11/1
x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread/4gzkm1zb6c97v9gl8lcz8ll5xr8o484c

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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