How severe is CVE-2026-2242?

CVE-2026-2242 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-2242 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2242?

CVE-2026-2242 affects Janet-lang Janet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2242?

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

Does CVE-2026-2242 have an EU (EUVD) identifier?

Yes. CVE-2026-2242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6454.

When was CVE-2026-2242 published?

CVE-2026-2242 was published on 2026-02-09 and last updated on 2026-06-17.

CVE-2026-2242

CVE-2026-2242 is a low-severity vulnerability in Janet-lang Janet with a CVSS 3.x base score of 3.3. 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-125.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6454
Weakness: CWE-125
Affected product: Janet-lang Janet
Published: 2026-02-09
Last modified: 2026-06-17

Description

A vulnerability was determined in janet-lang janet up to 1.40.1. This impacts the function janetc_if of the file src/core/specials.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called c43e06672cd9dacf2122c99f362120a17c34b391. It is advisable to implement a patch to correct this issue.

Frequently asked questions

What is CVE-2026-2242?: A vulnerability was determined in janet-lang janet up to 1.40.1. This impacts the function janetc_if of the file src/core/specials.c. Executing a manipulation can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called c43e06672cd9dacf2122c99f362120a17c34b391. It is advisable to implement a patch to correct this issue.
How severe is CVE-2026-2242?: CVE-2026-2242 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-2242 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2242?: CVE-2026-2242 affects Janet-lang Janet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2242?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2242 have an EU (EUVD) identifier?: Yes. CVE-2026-2242 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6454.
When was CVE-2026-2242 published?: CVE-2026-2242 was published on 2026-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:janet-lang:janet:*:*:*:*:*:*:*:*

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