What’s Vulnerable › Vulnerabilities

CVE-2026-76989: liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-20 · updated 2026-10-18
• Weakness: CWE-119

Description

A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enet_encap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is e8e9dba09bf56962807d3504b783ccdb6287f3e4. To fix this issue, it is recommended to deploy a patch.

Affected products

• liftoff-sr CIPster: 1802525be27d33e19a9a83c163e331a1d13b1892

References

• https://github.com/liftoff-sr/CIPster/
• https://github.com/liftoff-sr/CIPster/commit/e8e9dba09bf56962807d3504b783ccdb6287f3e4
• https://github.com/liftoff-sr/CIPster/issues/46
• https://vuldb.com/cve/CVE-2026-76989
• https://vuldb.com/submit/880112
• https://vuldb.com/vuln/393612
• https://vuldb.com/vuln/393612/cti

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