CVE-2026-58252

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

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.2% of scored records. A rank, not a probability.

NVD base score

6.5 (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:N/A:N

NVD analysis status

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

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

2026-07-08 19:46Z1 MO AGO

Last updated

2026-07-09 13:34Z1 MO AGO

Reserved

2026-06-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-285Improper AuthorizationClass
• CWE-551Incorrect Behavior Order: Authorization Before Parsing and CanonicalizationBase

Data version

5.2

Document digest

f7928a57f317db6535c807c42839dc1b301abc91d7e6daa48e667ca480182f37

• github.comhttps://github.com/nats-io/nats-server/security/advisories/GHSA-wh7g-5m82-pmhrx_refsource_CONFIRM
• github.comhttps://github.com/nats-io/nats-server/commit/8ced85a11497f86704a95d960281480ce037386bx_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/commit/a42a6d1e258eb5c3a2190384d31965a4b715e854x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/commit/e611ca9604697b02d8f22beb76037400a9cf72e6x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/releases/tag/v2.11.16x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/releases/tag/v2.12.7x_refsource_MISC
• github.comhttps://github.com/nats-io/nats-server/releases/tag/v2.14.0x_refsource_MISC