CVE-2026-2887

Name: CVE-2026-2887
Creator: NVD / NIST
Published: 2026-02-21T21:16:11.42+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 1.9/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2026-2887 is a low-severity vulnerability rated 1.9/10 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

5.5/10

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

CVSS 4.0

1.9/10

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

EPSS Probability

0.18%

7.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Strlen	Lobster	< 2026.1

References

https://github.com/aardappel/lobster/Product
https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6Patch
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/aardappel/lobster/releases/tag/v2026.1Release Notes
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: Feb 21, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-2887?

How severe is CVE-2026-2887?

CVE-2026-2887 has a CVSS score of 1.9/10 (LOW severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2026-2887?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-2887?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST