01 Record
CVE-2026-47080
CDATA Section Breakout via Unsanitised ]]> in xml_builder
LowPUBLISHEDCNA: EEF
CNA base score2.1 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
02 Description
CDATA Section Breakout via Unsanitised ]]> in xml_builder
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.22% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 12.6% of scored records. A rank, not a probability.
- NVD base score
- 2.1 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/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
- Awaiting Analysis. NVD last modified this record on 2026-10-16.
- 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.
04 Metadata
- Published
- 2026-08-21 09:49Z2 MO AGO
- Last updated
- 2026-08-21 12:32Z2 MO AGO
- Reserved
- 2026-05-18
- Assigning CNA
- EEF
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.1)
- CNA CVSS vector
- CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
- Weaknesses
- CWE-91XML Injection (aka Blind XPath Injection)Base
- Data version
- 5.2
- Document digest
- b824b34e490ce7a6d850c5f2d4a07fad736343ba2fad9ced007c24d50c2b659a
05 Affected products
VendorProductVersionsPlatforms
joshnussxml_builder0.0.7 to < 2.4.1, 26766f884ed19adee1563522c7afb5f056a6f3b5 to < bfb1ada071ccc1e384c30f782197ca5154106706—
06 References
- github.comhttps://github.com/joshnuss/xml_builder/security/advisories/GHSA-67r9-hmxw-h595
- cna.erlef.orghttps://cna.erlef.org/cves/CVE-2026-47080.html
- osv.devhttps://osv.dev/vulnerability/EEF-CVE-2026-47080
- github.comhttps://github.com/joshnuss/xml_builder/commit/bfb1ada071ccc1e384c30f782197ca5154106706
- vincent.vulcoord.nethttps://vincent.vulcoord.net/score/?state=Not+Scored&year=2026&year=2025&assigned_to=88bc49d9-8ddd-4227-affc-a613e67abc4d&ordering=-published&cve=CVE-2026-47080