CVE-2026-48783

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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 6.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-06-16 21:38Z4 MO AGO

Last updated

2026-06-17 12:43Z4 MO AGO

Reserved

2026-05-22

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

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

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass
• CWE-639Authorization Bypass Through User-Controlled KeyBase
• CWE-749Exposed Dangerous Method or FunctionBase
• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

832934e560e712894e06123299c80358ea7f019e6bc8f4dd6342e3bf92d58212

• github.comhttps://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v4wr-4j8g-4hfjx_refsource_CONFIRM
• github.comhttps://github.com/gitroomhq/postiz-app/commit/23696d2973510ae1f3f48bfa41a6bfbbf9827b05x_refsource_MISC
• gadvisory.orghttps://gadvisory.org/advisories/PSA-2026-WWFR8Xx_refsource_MISC
• github.comhttps://github.com/gitroomhq/postiz-app/releases/tag/v2.21.8x_refsource_MISC