Vulnerability in Aardappel Lobster
CVE-2026-2887
A security vulnerability has been detected in aardappel lobster up to 2025.4. This impacts the function lobster::TypeName in the library dev/src/lobster/idents.h. Such manipulation leads to uncontrolled recursion. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2026.1 will fix this issue. The name of the patch is 8ba49f98ccfc9734ef352146806433a41d9f9aa6. It is advisable to upgrade the affected component.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (10.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Aardappel Lobster — versions 2025.0, 2025.1, 2025.2
- Strlen Lobster
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/aardappel/lobster/issues/397 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/aardappel/lobster/issues/397 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/oneafter/0204/blob/main/lob3/repro.lobster (Third Party Advisory, exploit)
- github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6 (Patch, patch)
- github.com/aardappel/lobster/releases/tag/v2026.1 (Release Notes, patch)
- github.com/aardappel/lobster/ (Product, product)
Frequently asked questions
- What is CVE-2026-2887?
- CVE-2026-2887 is a low-severity vulnerability in Aardappel Lobster, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-02-21.
- How severe is CVE-2026-2887?
- Low severity. CVSS v3 base score is 3.3 out of 10.