CVE-2026-48815

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 8.6% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD analysis status

Deferred. NVD last modified this record on 2026-07-15.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-14 20:27Z1 MO AGO

Last updated

2026-07-15 12:56Z1 MO AGO

Reserved

2026-05-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.5)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase
• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

537cdf31e0f295eceb29bceb98c5e9f2c60f733601132fdbc2226ca2bc706f4d

• github.comhttps://github.com/sigstore/sigstore-js/security/advisories/GHSA-52v5-jr5w-gjxrx_refsource_CONFIRM
• github.comhttps://github.com/sigstore/sigstore-js/pull/1658x_refsource_MISC
• github.comhttps://github.com/sigstore/sigstore-js/commit/7845532f9d17f6f765363dbee82b01bd159fb52bx_refsource_MISC
• github.comhttps://github.com/sigstore/sigstore-js/releases/tag/sigstore%404.1.1x_refsource_MISC