CVE-2026-76988 liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds
Remote attackers can trigger an out-of-bounds read in the CIPster library's ForwardOpen handler, potentially exposing memory or causing crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-76988?
CVE-2026-76988 is a medium-severity memory corruption vulnerability in liftoff-sr CIPster, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A weakness has been identified in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This affects the function CipConnMgrClass::forward_open of the file cipconnectionmanager.cc of the component ForwardOpen Handler. Executing a manipulation of the argument product_code_ can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. This patch is called ea870a274bf68dfaa3f511f20e2fff6778fb7b74. A patch should be applied to remediate this issue.
Which versions are affected by CVE-2026-76988?
How do I fix CVE-2026-76988?
No fix has been published for CVE-2026-76988 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-76988 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-76988 exists.
Sources
Also known as GHSA-cgqh-cr58-mqgh.