Dashboard / CVE-2026-48758

CVE-2026-48758

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 61/100
Published: 2026-07-14 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: Low
A: Low

Description

sigstore-js provides JavaScript libraries for interacting with Sigstore services. Prior to 3.2.1, the preAuthEncoding function in @sigstore/core uses Node.js ascii encoding when converting the PAE string to bytes, allowing payloadType to be mutated after signing without invalidating the signature and breaking the type-binding guarantee that DSSE is designed to provide. This issue is fixed in version 3.2.1.

Weakness Classification (1)

References & Advisories (4)

Bug Bounty Relevance

61 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS — Exploitation Probability

0.24%
Raw Score 0.002390
Percentile 14.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00239
2026-10-28
0.00239

Intelligence Sources

nvd ref →

External Links