aardappel lobster up to 2025.4 dev/src/lobster/idents.h lobster::TypeName recursion
Summary
A vulnerability identified as problematic has been detected in aardappel lobster up to 2025.4. Affected is the function lobster::TypeName in the library dev/src/lobster/idents.h. Performing a manipulation results in recursion.
This vulnerability is identified as CVE-2026-2887. The attack is only possible with local access. Additionally, an exploit exists.
You should upgrade the affected component.
Details
A vulnerability was found in aardappel lobster up to 2025.4. It has been classified as problematic. This affects the function lobster::TypeName in the library dev/src/lobster/idents.h. The manipulation with an unknown input leads to a recursion vulnerability. CWE is classifying the issue as CWE-674. The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack. This is going to have an impact on availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-2887. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.
The exploit is shared for download at github.com. It is declared as proof-of-concept.
Upgrading to version 2026.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 8ba49f98ccfc9734ef352146806433a41d9f9aa6 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
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Product
Vendor
Name
Version
License
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 4.0VulDB Meta Temp Score: 3.9
VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔒
CNA Base Score: 3.3
CNA Vector: 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: RecursionCWE: CWE-674 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: lobster 2026.1
Patch: 8ba49f98ccfc9734ef352146806433a41d9f9aa6
Timeline
02/20/2026 Advisory disclosed02/20/2026 VulDB entry created
02/27/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 397
Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-2887 (🔒)
GCVE (CVE): GCVE-0-2026-2887
GCVE (VulDB): GCVE-100-347181
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 02/20/2026 18:12Updated: 02/27/2026 13:50
Changes: 02/20/2026 18:12 (62), 02/23/2026 00:20 (30), 02/27/2026 13:50 (12)
Complete: 🔍
Submitter: Oneafter
Cache ID: 216::103
Submit
Accepted
- Submit #755026: aardappel lobster c8a6042 Uncontrolled Recursion (by Oneafter)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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