CVE-2026-58213

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• 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

0.44% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 36.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-13.

Red Hat severity

Important. 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

2026-07-08 19:52Z1 MO AGO

Last updated

2026-07-09 13:33Z1 MO AGO

Reserved

2026-06-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
• CWE-140Improper Neutralization of DelimitersBase

Data version

5.2

Document digest

8677b045afd4681f99b13cd623091c3973f8c9f557b0d8f39187a1da26f92977

• github.comhttps://github.com/nats-io/nats-server/security/advisories/GHSA-qrcv-3558-gj4fx_refsource_CONFIRM
• github.comhttps://github.com/nats-io/nats-server/pull/8163x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/pull/8164x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/commit/366837cfc65ab9ccb4f98193c65e8daf238582d8x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/commit/64ebae40051ee497c481e10f316238faf0de1736x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/commit/f14856b9e57a36818f43851cb69b6e33670885c9x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/releases/tag/v2.12.9x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/releases/tag/v2.14.1x_refsource_MISC