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CVE-2022-26592

23
FAUCET Score

CVE-2022-26592 is a high-severity stack overflow vulnerability in libsass version 3.6.5, specifically within the CompoundSelector::has_real_parent_ref function, affecting the sass-lang libsass product. With a CVSS score of 8.8, this vulnerability can be exploited remotely with low attack complexity, potentially leading to high impacts on confidentiality, integrity, and availability if a user interaction is successful. There is currently no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.6.5CPE matchmatch criteria
cpe:2.3:a:sass-lang:libsass:3.6.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.78%
Probability of exploitation in next 30 days
EPSS Percentile
52.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0078 is in the 54th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

microsoftpatch availablevia msrc
Product: azl3 libsass 3.6.6-1 on Azure Linux 3.0Fixed in: 3.6.6-1
microsoftpatch availablevia msrc
Product: 18827-17084Fixed in: 3.6.6-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 3.1.1-9
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 3.1.1-9

Vendor Advisories (2)

microsoft2023-Dec/CVE-2022-26592

CVE-2022-26592

Dec 12, 2023
microsoft2023-Aug/CVE-2022-26592Important

Stack Overflow vulnerability in libsass 3.6.5 via the CompoundSelector::has_real_parent_ref function.

Aug 8, 2023

References

github.com / sass/libsass/issues/3174
ExploitIssue Tracking