CVE-2026-76988: medium-severity vulnerability in liftoff-sr CIPster
liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.9epss 0.7%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
liftoff-sr · CIPsterpublic PoCs found — 1
cve_referencegithub.com/liftoff-sr/CIPster/issues/45unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — liftoff-sr CIPster
In the same product, most dangerous first.
CVE-2026-16013MEDIUMliftoff-sr CIPster cipepath.cc deserialize_symbolic out-of-boundsEPSS 0.7%CVE-2026-76989MEDIUMliftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-boundsEPSS 0.7%CVE-2026-13592MEDIUMliftoff-sr CIPster EtherNet IP Message append out-of-bounds writeEPSS 0.6%CVE-2026-76987MEDIUMliftoff-sr CIPster Generic Attribute Logic ciptypes.h SetAttrData memory corruptionEPSS 0.5%
References
https://github.com/liftoff-sr/CIPster/https://github.com/liftoff-sr/CIPster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74https://github.com/liftoff-sr/CIPster/issues/45https://vuldb.com/cve/CVE-2026-76988https://vuldb.com/submit/880102https://vuldb.com/vuln/393611https://vuldb.com/vuln/393611/cti