How severe is CVE-2026-2259?

CVE-2026-2259 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-2026-2259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-2259?

CVE-2026-2259 affects Strlen Lobster. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-2259?

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

Does CVE-2026-2259 have an EU (EUVD) identifier?

Yes. CVE-2026-2259 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6729.

When was CVE-2026-2259 published?

CVE-2026-2259 was published on 2026-02-10 and last updated on 2026-06-17.

CVE-2026-2259

CVE-2026-2259 is a low-severity vulnerability in Strlen Lobster 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-787.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-6729
Weakness: CWE-787
Affected product: Strlen Lobster
Published: 2026-02-10
Last modified: 2026-06-17

Description

A vulnerability has been found in aardappel lobster up to 2025.4. Affected by this issue is the function lobster::Parser::ParseStatements in the library dev/src/lobster/parser.h of the component Parsing. The manipulation leads to memory corruption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The identifier of the patch is 2f45fe860d00990e79e13250251c1dde633f1f89. Applying a patch is the recommended action to fix this issue.

Frequently asked questions

What is CVE-2026-2259?: A vulnerability has been found in aardappel lobster up to 2025.4. Affected by this issue is the function lobster::Parser::ParseStatements in the library dev/src/lobster/parser.h of the component Parsing. The manipulation leads to memory corruption. The attack can only be performed from a local environment. The exploit has been disclosed to the public and may be used. The identifier of the patch is 2f45fe860d00990e79e13250251c1dde633f1f89. Applying a patch is the recommended action to fix this issue.
How severe is CVE-2026-2259?: CVE-2026-2259 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-2026-2259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-2259?: CVE-2026-2259 affects Strlen Lobster. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-2259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-2259 have an EU (EUVD) identifier?: Yes. CVE-2026-2259 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-6729.
When was CVE-2026-2259 published?: CVE-2026-2259 was published on 2026-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:strlen:lobster:*:*:*:*:*:*:*:*

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