CVE-2026-2887
Last modified
CVE-2026-2887 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Strlen | Lobster | < 2026.1 |
References
- https://github.com/aardappel/lobster/issues/397Exploit, Issue Tracking, Vendor Advisory
- https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088Exploit, Issue Tracking, Vendor Advisory
- https://github.com/oneafter/0204/blob/main/lob3/repro.lobsterThird Party Advisory
- https://vuldb.com/?ctiid.347181Permissions Required, VDB Entry
- https://vuldb.com/?id.347181Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.755026Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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