How severe is CVE-2026-2869?

CVE-2026-2869 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-2026-2869 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2869?

CVE-2026-2869 affects Janet-lang Janet. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2869?

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

Does CVE-2026-2869 have an EU (EUVD) identifier?

Yes. CVE-2026-2869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7520.

When was CVE-2026-2869 published?

CVE-2026-2869 was published on 2026-02-21 and last updated on 2026-06-17.

CVE-2026-2869

CVE-2026-2869 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% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7520
Weakness: CWE-125
Affected product: Janet-lang Janet
Published: 2026-02-21
Last modified: 2026-06-17

Description

A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.

Frequently asked questions

What is CVE-2026-2869?: A vulnerability was identified in janet-lang janet up to 1.40.1. Affected by this vulnerability is the function janetc_varset of the file src/core/specials.c of the component handleattr Handler. The manipulation leads to out-of-bounds read. The attack can only be performed from a local environment. The exploit is publicly available and might be used. Upgrading to version 1.41.0 addresses this issue. The identifier of the patch is 2fabc80151a2b8834ee59cda8a70453f848b40e5. The affected component should be upgraded.
How severe is CVE-2026-2869?: CVE-2026-2869 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-2026-2869 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2869?: CVE-2026-2869 affects Janet-lang Janet. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2869?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2869 have an EU (EUVD) identifier?: Yes. CVE-2026-2869 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7520.
When was CVE-2026-2869 published?: CVE-2026-2869 was published on 2026-02-21 and last updated on 2026-06-17.

References

Affected products (1)

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

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