CVE-2026-59161Public exploitNetwork attack vector

Application denial of service via unchecked row index

Published Jul 10, 2026 · Updated Jul 10, 2026

Uncontrolled resource consumption in Excelize before 2.11.0 allows attackers to interrupt applications through a crafted XLSX file. Rows.Next accepts an out-of-range row r attribute without checkRowNum, and GetRows appends empty slices until that index. An application must process attacker-supplied XLSX data with GetRows; the resulting CPU and memory growth can exhaust resources or terminate the process.

CVSS severity8.7
High
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Uncontrolled resource consumption in Excelize before 2.11.0 allows attackers to interrupt applications through a crafted XLSX file. Rows.Next accepts an out-of-range row r attribute without checkRowNum, and GetRows appends empty slices until that index. An application must process attacker-supplied XLSX data with GetRows; the resulting CPU and memory growth can exhaust resources or terminate the process.

The record

CVE
CVE-2026-59161
Published
Jul 10, 2026
Updated
Jul 10, 2026
Vendor
QI-ANXIN GROUP
Product
Excelize
Classifications
CWE-400, CWE-770, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.11.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

QI-ANXIN GROUP · Excelizeversion=< 2.11.0

Published CVSS scores

4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:N/A:P
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7GitHub CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
CWE-770Allocation of Resources Without Limits or Throttling
T1499.004Application or System Exploitation

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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