How severe is CVE-2022-26070?

CVE-2022-26070 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-26070 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26070?

CVE-2022-26070 affects Splunk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26070?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-26070 published?

CVE-2022-26070 was published on 2022-05-06 and last updated on 2026-06-17.

CVE-2022-26070

CVE-2022-26070 is a medium-severity vulnerability in Splunk with a CVSS 3.x base score of 4.3. 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-209.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-209
Affected product: Splunk
Published: 2022-05-06
Last modified: 2026-06-17

Description

When handling a mismatched pre-authentication cookie, the application leaks the internal error message in the response, which contains the Splunk Enterprise local system path. The vulnerability impacts Splunk Enterprise versions before 8.1.0.

Frequently asked questions

What is CVE-2022-26070?: When handling a mismatched pre-authentication cookie, the application leaks the internal error message in the response, which contains the Splunk Enterprise local system path. The vulnerability impacts Splunk Enterprise versions before 8.1.0.
How severe is CVE-2022-26070?: CVE-2022-26070 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-26070 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26070?: CVE-2022-26070 affects Splunk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26070?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-26070 published?: CVE-2022-26070 was published on 2022-05-06 and last updated on 2026-06-17.

References

https://www.splunk.com/en_us/product-security/announcements/svd-2022-0507.html

Affected products (1)

cpe:2.3:a:splunk:splunk:*:*:*:*:enterprise:*:*:*

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