pnpm is a package manager. Prior to 10.34.2 and 11.5.3, the generic peer-suffix normalizer also stripped parenthesized text from git, URL, tarball, file, and other opaque locators. Approval for one source string could therefore authorize a different attacker-controlled source whose locator normalized to the same value. This vulnerability is fixed in 10.34.2 and 11.5.3.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-346",
"CWE-693",
"CWE-829"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55487.json"
}{
"cpe": "cpe:2.3:a:pnpm:pnpm:*:*:*:*:*:node.js:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "10.34.2"
},
{
"introduced": "11.0.0"
},
{
"fixed": "11.5.3"
}
],
"source": "CPE_RANGE"
}