CVE-2026-8274
CVE-2026-8274 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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 5.3)
- CVSS v2: 4.3
- CVSS v4: 1.9
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29032
- Weakness: CWE-22
- Published:
- Last modified:
Description
A security vulnerability has been detected in npitre cramfs-tools up to 2.1. Affected is the function do_directory of the file cramfsck.c of the component Directory Handler. Such manipulation leads to path traversal. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2 is able to address this issue. The name of the patch is 2fc492747115b24d8a07eddd27a2d45229cb273c. Upgrading the affected component is recommended.
Frequently asked questions
- What is CVE-2026-8274?
- A security vulnerability has been detected in npitre cramfs-tools up to 2.1. Affected is the function do_directory of the file cramfsck.c of the component Directory Handler. Such manipulation leads to path traversal. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2 is able to address this issue. The name of the patch is 2fc492747115b24d8a07eddd27a2d45229cb273c. Upgrading the affected component is recommended.
- How severe is CVE-2026-8274?
- CVE-2026-8274 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-8274 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-8274?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-8274 have an EU (EUVD) identifier?
- Yes. CVE-2026-8274 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29032.
- When was CVE-2026-8274 published?
- CVE-2026-8274 was published on 2026-05-11 and last updated on 2026-06-17.
References
- https://github.com/npitre/cramfs-tools/
- https://github.com/npitre/cramfs-tools/commit/2fc492747115b24d8a07eddd27a2d45229cb273c
- https://github.com/npitre/cramfs-tools/issues/12
- https://github.com/npitre/cramfs-tools/issues/12#issue-4307511739
- https://github.com/npitre/cramfs-tools/releases/tag/v2.2
- https://vuldb.com/submit/810864
- https://vuldb.com/vuln/362571
- https://vuldb.com/vuln/362571/cti
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