CVE-2026-2887
aardappel lobster idents.h TypeName recursion
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.
INFO
Published Date :
Feb. 21, 2026, 9:16 p.m.
Last Modified :
Feb. 26, 2026, 9:41 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade aardappel lobster to version 2026.1.
- Apply the patch 8ba49f98ccfc9734ef352146806433a41d9f9aa6.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-2887.
| URL | Resource |
|---|---|
| https://github.com/aardappel/lobster/ | Product |
| https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6 | Patch |
| https://github.com/aardappel/lobster/issues/397 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088 | Exploit Issue Tracking Vendor Advisory |
| https://github.com/aardappel/lobster/releases/tag/v2026.1 | Release Notes |
| https://github.com/oneafter/0204/blob/main/lob3/repro.lobster | Third Party Advisory |
| https://vuldb.com/?ctiid.347181 | Permissions Required VDB Entry |
| https://vuldb.com/?id.347181 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.755026 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-2887 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-2887
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-2887 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-2887 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 26, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-674 Added CPE Configuration OR *cpe:2.3:a:strlen:lobster:*:*:*:*:*:*:*:* versions up to (excluding) 2026.1 Added Reference Type VulDB: https://github.com/aardappel/lobster/ Types: Product Added Reference Type VulDB: https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6 Types: Patch Added Reference Type VulDB: https://github.com/aardappel/lobster/issues/397 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088 Types: Exploit, Issue Tracking, Vendor Advisory Added Reference Type VulDB: https://github.com/aardappel/lobster/releases/tag/v2026.1 Types: Release Notes Added Reference Type VulDB: https://github.com/oneafter/0204/blob/main/lob3/repro.lobster Types: Third Party Advisory Added Reference Type VulDB: https://vuldb.com/?ctiid.347181 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.347181 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.755026 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 21, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P) Added CWE CWE-404 Added CWE CWE-674 Added Reference https://github.com/aardappel/lobster/ Added Reference https://github.com/aardappel/lobster/commit/8ba49f98ccfc9734ef352146806433a41d9f9aa6 Added Reference https://github.com/aardappel/lobster/issues/397 Added Reference https://github.com/aardappel/lobster/issues/397#issuecomment-3849015088 Added Reference https://github.com/aardappel/lobster/releases/tag/v2026.1 Added Reference https://github.com/oneafter/0204/blob/main/lob3/repro.lobster Added Reference https://vuldb.com/?ctiid.347181 Added Reference https://vuldb.com/?id.347181 Added Reference https://vuldb.com/?submit.755026