CVE-2026-1979 | FAUCET - CVE Intelligence

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 3.4.0CPE matchmatch criteria	cpe:2.3:a:mruby:mruby::::::ruby::*

CVSS Data

CVSS version used by this source: 4.0

1.9LOW

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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

Attack Vector

LOCAL

Attack Complexity

LOW

Attack Requirements

NONE

Privileges Required

LOW

User Interaction

NONE

VS Confidentiality

LOW

VS Integrity

LOW

VS Availability

LOW

SS Confidentiality

NONE

SS Integrity

NONE

SS Availability

NONE

Exploit Maturity

PROOF_OF_CONCEPT

CvssVersion

4.0

Exploit Intelligence

EPSS Score

0.15%

Probability of exploitation in next 30 days

EPSS Percentile

4.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0015 is in the 31st percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

Vendor Advisories (1)

microsoft2026-Feb/CVE-2026-1979Moderate

mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free

Feb 10, 2026

References

github.com / mruby/mruby

Product

github.com / mruby/mruby/issues/6701

ExploitIssue Tracking

github.com / mruby/mruby/issues/6701

ExploitIssue Tracking

github.com / sysfce2/mruby/commit/e50f15c1c6e131fa7934355eb02b8173b13df415

Patch

vuldb.com

Permissions RequiredVDB Entry

vuldb.com

Third Party AdvisoryVDB Entry

vuldb.com

Third Party AdvisoryVDB Entry