CVE-2026-2887

medium

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.

References

Advisories
More

https://vuldb.com/?submit.755026

https://vuldb.com/?id.347181

https://github.com/oneafter/0204/blob/main/lob3/repro.lobster

https://vuldb.com/?ctiid.347181

https://github.com/aardappel/lobster/releases/tag/v2026.1

https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088

https://github.com/aardappel/lobster/issues/397

https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6

https://github.com/aardappel/lobster/

Details

Source: Mitre, NVD

Published: 2026-02-21

Updated: 2026-04-29

Risk Information

CVSS v2

Base Score: 1.7

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

CVSS v4

Base Score: 4.8

Vector: 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

Severity: Medium

EPSS

EPSS: 0.00012