Description
seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. In versions 1.4.0 and below, due to improper input validation, a malicious object key can lead to prototype pollution during JSON deserialization. This vulnerability affects only JSON deserialization functionality. This issue is fixed in version 1.4.1.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| lxsmnsyc | seroval | < 1.4.1 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opencode | 1.18.26-1.1 | openSUSE-SU-2026:11673-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | seroval | < 1.4.1 | 1.4.1 | GHSA-hj76-42vx-jwp4 |
Advisories 1
- openSUSE-SU-2026:11673-1 opencode-1.18.26-1.1 on GA media SUSE / openSUSE Security Updates · Sep 3, 2026