CVE-2026-34415

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 ImpacttotalSuccessful exploitation gives total 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

3.57% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 89.3% of scored records. A rank, not a probability.

NVD base score

9.3 (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:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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

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

2026-04-22 18:33Z6 MO AGO

Last updated

2026-07-14 18:40Z3 MO AGO

Reserved

2026-03-27

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Critical (CVSS 9.3)

CNA CVSS vector

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

Weaknesses

• CWE-184Incomplete List of Disallowed InputsBase

Data version

5.2

Document digest

90d6ba5807c71dd42f6ff4827b94abcff25d06b5975389fa30ed66f894af1d83

• github.comhttps://github.com/bootstrapbool/xerteonlinetoolkits-rcetechnical-descriptionexploit
• xerte.org.ukhttps://xerte.org.uk/xertetoolkits_3.15_ChangeLog.htmlrelease-notes
• xerte.org.ukhttps://xerte.org.uk/index.php/en/downloads-1/category/3-xerte-online-toolkitsproductpermissions-required
• github.comhttps://github.com/thexerteproject/xerteonlinetoolkits/issues/1527issue-tracking
• github.comhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/02661be88cc369325ea01b508086bde7fbfec805patch
• github.comhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/17e4f945fe6a3400fa88c01eda18c1075ee4a212patch
• github.comhttps://github.com/thexerteproject/xerteonlinetoolkits/commit/507d55c5e91bf9310b5b1c7fad8aebfef902ad23patch
• www.vulncheck.comhttps://www.vulncheck.com/advisories/xerte-online-toolkits-file-upload-rce-via-elfinder-connectorthird-party-advisory