CVE-2026-27212 describes a Prototype Pollution vulnerability in Swiper versions 6.5.1 through 12.1.1, affecting applications that process attacker-controlled input using this popular mobile touch slider. The flaw, located in shared/utils.mjs, allows for Object.prototype pollution via crafted input, even after a previous mitigation attempt. This high-severity vulnerability (CVSS 7.8) can lead to Authentication Bypass, Denial of Service, and Remote Code Execution. While the vulnerability is fixed in version 12.1.2, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.5.1, < 12.1.2CPE matchmatch criteria | cpe:2.3:a:swiperjs:swiper:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.