CVE-2026-2887
A security vulnerability has been detected in aardappel lobster up to 2025.4.
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 1.9 LOWCVSS: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/M
- EPSS
- 0.21% probability · 11th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-404, CWE-674
- Affected
- strlen/lobster
- Source
- cna@vuldb.com
EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.