How severe is CVE-2022-26260?

CVE-2022-26260 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-2022-26260 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26260?

CVE-2022-26260 affects Simple-plist Project Simple-plist. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26260?

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-2022-26260 published?

CVE-2022-26260 was published on 2022-03-22 and last updated on 2026-06-17.

CVE-2022-26260

CVE-2022-26260 is a critical-severity vulnerability in Simple-plist Project Simple-plist 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-1321.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Simple-plist Project Simple-plist
Published: 2022-03-22
Last modified: 2026-06-17

Description

Simple-Plist v1.3.0 was discovered to contain a prototype pollution vulnerability via .parse().

Frequently asked questions

What is CVE-2022-26260?: Simple-Plist v1.3.0 was discovered to contain a prototype pollution vulnerability via .parse().
How severe is CVE-2022-26260?: CVE-2022-26260 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-2022-26260 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26260?: CVE-2022-26260 affects Simple-plist Project Simple-plist. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26260?: 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-2022-26260 published?: CVE-2022-26260 was published on 2022-03-22 and last updated on 2026-06-17.

References

https://github.com/wollardj/simple-plist/issues/60

Affected products (1)

cpe:2.3:a:simple-plist_project:simple-plist:1.3.0:*:*:*:*:*:*:*

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