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TI-2026-53776 Aliases CVE-2026-76989GHSA-q8vh-mhmw-wmcq

liftoff-sr CIPster TCP Encapsulation Receive Path encap.cc out-of-bounds

Priority HIGH 70CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00724 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
liftoff-srCIPster1802525be27d33e19a9a83c163e331a1d13b1892—No fix listedCNA
  • CIPster Vendorliftoff-sr Affected 1802525be27d33e19a9a83c163e331a1d13b1892 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-76989
  2. 2026-10-03 Alias added: GHSA-q8vh-mhmw-wmcq

References

  • TI-2026-53775 liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds CVSS 4.0MEDIUM 6.9
  • TI-2026-53774 liftoff-sr CIPster Generic Attribute Logic ciptypes.h SetAttrData memory corruption CVSS 4.0MEDIUM 6.9
  • TI-2026-13406 liftoff-sr CIPster cipepath.cc deserialize_symbolic out-of-bounds CVSS 4.0MEDIUM 6.9
  • TI-2026-11515 liftoff-sr CIPster EtherNet IP Message append out-of-bounds write CVSS 4.0MEDIUM 6.9

Sources