How severe is CVE-2020-26305?

CVE-2020-26305 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-2020-26305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26305?

CVE-2020-26305 affects Talyssonoc Commonregexjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26305?

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.

Does CVE-2020-26305 have an EU (EUVD) identifier?

Yes. CVE-2020-26305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3102.

When was CVE-2020-26305 published?

CVE-2020-26305 was published on 2024-10-26 and last updated on 2026-06-17.

CVE-2020-26305

CVE-2020-26305 is a high-severity vulnerability in Talyssonoc Commonregexjs 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-1333.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-3102
Weakness: CWE-1333
Affected product: Talyssonoc Commonregexjs
Published: 2024-10-26
Last modified: 2026-06-17

Description

CommonRegexJS is a CommonRegex port for JavaScript. All available versions contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.

Frequently asked questions

What is CVE-2020-26305?: CommonRegexJS is a CommonRegex port for JavaScript. All available versions contain one or more regular expressions that are vulnerable to Regular Expression Denial of Service (ReDoS). As of time of publication, no known patches are available.
How severe is CVE-2020-26305?: CVE-2020-26305 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-2020-26305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26305?: CVE-2020-26305 affects Talyssonoc Commonregexjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26305?: 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.
Does CVE-2020-26305 have an EU (EUVD) identifier?: Yes. CVE-2020-26305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-3102.
When was CVE-2020-26305 published?: CVE-2020-26305 was published on 2024-10-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:talyssonoc:commonregexjs:*:*:*:*:*:node.js:*:*

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