Vulnerability · Published Aug 20, 2026 · Assigned by VulDB

CVE-2026-76988liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds

Medium 5.3

In plain English

A medium-severity out-of-bounds read in CIPster from liftoff-sr. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.7%top 45.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
liftoff-sr	CIPster	1802525be27d33e19a9a83c163e331a1d13b1892

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-393611 | liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds vdb-entry, technical-description
VDB-393611 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-76988 | CVE Analysis and Report third-party-advisory
Submit #880102 | liftoff-sr CIPster master branch (reproduced on 1802525be27d33e19a9a83c163e331a1d13b1892) Out-of-bounds Read third-party-advisory
https://github.com/liftoff-sr/CIPster/issues/45 exploit, issue-tracking
https://github.com/liftoff-sr/CIPster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74 patch
https://github.com/liftoff-sr/CIPster/ product