CVE-2026-33174

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.
• 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

0.61% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.8% of scored records. A rank, not a probability.

NVD base score

6.6 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-03-23 23:24Z5 MO AGO

Last updated

2026-03-24 13:40Z5 MO AGO

Reserved

2026-03-17

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.6)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

Weaknesses

• CWE-789Memory Allocation with Excessive Size ValueVariant
• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.2

Document digest

f71f92cb45550d511f55678c088a11fe135caebd0bfbf01e9aee8a4e04ea52d7

• github.comhttps://github.com/rails/rails/security/advisories/GHSA-r46p-8f7g-vvvgx_refsource_CONFIRM
• github.comhttps://github.com/rails/rails/commit/2cd933c366b777f873d4d590127da2f4a25e4ba5x_refsource_MISC
• github.comhttps://github.com/rails/rails/commit/42012eaaa88dfc7d0030161b2bc8074a7bbce92ax_refsource_MISC
• github.comhttps://github.com/rails/rails/commit/8159a9c3de3f27a2bcf2866b8bf9ceb9075e229bx_refsource_MISC
• github.comhttps://github.com/rails/rails/releases/tag/v7.2.3.1x_refsource_MISC
• github.comhttps://github.com/rails/rails/releases/tag/v8.0.4.1x_refsource_MISC
• github.comhttps://github.com/rails/rails/releases/tag/v8.1.2.1x_refsource_MISC