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5.5
MEDIUM CVSS 4.0
CVE-2026-76988
liftoff-sr CIPster ForwardOpen cipconnectionmanager.cc forward_open out-of-bounds
Overview
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.

Details
INFO

Published Date :

Aug. 20, 2026, 1:19 p.m.

Last Modified :

Aug. 20, 2026, 1:19 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Impact
Affected Products

The following products are affected by CVE-2026-76988 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Liftoff-sr cipster
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Apply the provided patch to fix an out-of-bounds read vulnerability in the ForwardOpen Handler.
  • Apply the patch ea870a274bf68dfaa3f511f20e2fff6778fb7b74.
  • Update the cipconnectionmanager.cc file.
  • Ensure the ForwardOpen Handler is updated.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-76988.

URL Resource
https://github.com/liftoff-sr/CIPster/
https://github.com/liftoff-sr/CIPster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74
https://github.com/liftoff-sr/CIPster/issues/45
https://vuldb.com/cve/CVE-2026-76988
https://vuldb.com/submit/880102
https://vuldb.com/vuln/393611
https://vuldb.com/vuln/393611/cti
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-76988 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-76988 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation CAPEC-540: Overread Buffers Overread Buffers

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-76988 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-76988 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 20, 2026

    Action Type Old Value New Value
    Added Affected [{'cpes': ['cpe:2.3:a:liftoff-sr:cipster:*:*:*:*:*:*:*:*'], 'vendor': 'liftoff-sr', 'modules': ['ForwardOpen Handler'], 'product': 'CIPster', 'versions': [{'status': 'affected', 'version': '1802525be27d33e19a9a83c163e331a1d13b1892'}]}]
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-125
    Added Reference https://github.com/liftoff-sr/CIPster/
    Added Reference https://github.com/liftoff-sr/CIPster/commit/ea870a274bf68dfaa3f511f20e2fff6778fb7b74
    Added Reference https://github.com/liftoff-sr/CIPster/issues/45
    Added Reference https://vuldb.com/cve/CVE-2026-76988
    Added Reference https://vuldb.com/submit/880102
    Added Reference https://vuldb.com/vuln/393611
    Added Reference https://vuldb.com/vuln/393611/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 5.3
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 5.0
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact