CVE-2026-29780
CVE-2026-29780 is a medium-severity vulnerability in Govcert.lu Eml Parser with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (15th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-10153
- Weakness: CWE-22
- Affected product: Govcert.lu Eml Parser
- Published:
- Last modified:
Description
eml_parser serves as a python module for parsing eml files and returning various information found in the e-mail as well as computed information. Prior to version 2.0.1, the official example script examples/recursively_extract_attachments.py contains a path traversal vulnerability that allows arbitrary file write outside the intended output directory. Attachment filenames extracted from parsed emails are directly used to construct output file paths without any sanitization, allowing an attacker-controlled filename to escape the target directory. This issue has been patched in version 2.0.1.
Frequently asked questions
- What is CVE-2026-29780?
- eml_parser serves as a python module for parsing eml files and returning various information found in the e-mail as well as computed information. Prior to version 2.0.1, the official example script examples/recursively_extract_attachments.py contains a path traversal vulnerability that allows arbitrary file write outside the intended output directory. Attachment filenames extracted from parsed emails are directly used to construct output file paths without any sanitization, allowing an attacker-controlled filename to escape the target directory. This issue has been patched in version 2.0.1.
- How severe is CVE-2026-29780?
- CVE-2026-29780 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2026-29780 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-29780?
- CVE-2026-29780 affects Govcert.lu Eml Parser. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-29780?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-29780 have an EU (EUVD) identifier?
- Yes. CVE-2026-29780 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10153.
- When was CVE-2026-29780 published?
- CVE-2026-29780 was published on 2026-03-07 and last updated on 2026-06-17.
References
- https://github.com/GOVCERT-LU/eml_parser/commit/99af03a09a90aaaaadd0ed2ffb5eea46d1ea2cc9
- https://github.com/GOVCERT-LU/eml_parser/issues/88
- https://github.com/GOVCERT-LU/eml_parser/security/advisories/GHSA-389r-rccm-h3h5
Affected products (1)
- cpe:2.3:a:govcert.lu:eml_parser:*:*:*:*:*:python:*:*
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