How severe is CVE-2023-26102?

CVE-2023-26102 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-26102 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26102?

CVE-2023-26102 affects Rangy Project Rangy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26102?

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

When was CVE-2023-26102 published?

CVE-2023-26102 was published on 2023-02-24 and last updated on 2026-06-17.

CVE-2023-26102

CVE-2023-26102 is a high-severity vulnerability in Rangy Project Rangy with a CVSS 3.x base score of 7.5. 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: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1321
Affected product: Rangy Project Rangy
Published: 2023-02-24
Last modified: 2026-06-17

Description

All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype

Frequently asked questions

What is CVE-2023-26102?: All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype
How severe is CVE-2023-26102?: CVE-2023-26102 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-26102 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26102?: CVE-2023-26102 affects Rangy Project Rangy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26102?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-26102 published?: CVE-2023-26102 was published on 2023-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rangy_project:rangy:-:*:*:*:*:node.js:*:*

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