How severe is CVE-2016-10126?

CVE-2016-10126 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-10126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10126?

CVE-2016-10126 primarily affects Splunk. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-10126?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-10126 published?

CVE-2016-10126 was published on 2017-01-10 and last updated on 2026-06-17.

CVE-2016-10126

CVE-2016-10126 is a critical-severity vulnerability in Splunk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Splunk
Published: 2017-01-10
Last modified: 2026-06-17

Description

Splunk Web in Splunk Enterprise 5.0.x before 5.0.17, 6.0.x before 6.0.13, 6.1.x before 6.1.12, 6.2.x before 6.2.12, 6.3.x before 6.3.8, and 6.4.x before 6.4.4 allows remote attackers to conduct HTTP request injection attacks and obtain sensitive REST API authentication-token information via unspecified vectors, aka SPL-128840.

Frequently asked questions

What is CVE-2016-10126?: Splunk Web in Splunk Enterprise 5.0.x before 5.0.17, 6.0.x before 6.0.13, 6.1.x before 6.1.12, 6.2.x before 6.2.12, 6.3.x before 6.3.8, and 6.4.x before 6.4.4 allows remote attackers to conduct HTTP request injection attacks and obtain sensitive REST API authentication-token information via unspecified vectors, aka SPL-128840.
How severe is CVE-2016-10126?: CVE-2016-10126 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-10126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10126?: CVE-2016-10126 primarily affects Splunk. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-10126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-10126 published?: CVE-2016-10126 was published on 2017-01-10 and last updated on 2026-06-17.

References

Affected products (66)

cpe:2.3:a:splunk:splunk:5.0.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.3:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.4:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.5:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.6:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.7:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.8:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.9:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.10:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.11:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.12:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.13:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.14:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.15:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:5.0.16:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.3:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.4:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.5:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.6:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.7:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.8:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.9:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.10:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.11:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.0.12:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.1:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.3:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.4:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.5:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.6:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.7:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.8:*:*:*:enterprise:*:*:*
cpe:2.3:a:splunk:splunk:6.1.9:*:*:*:enterprise:*:*:*

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