CVE-2026-8784A vulnerability was detected in npitre cramfs-tools up to 2.2.
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.
- CVSS
- 4.2 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
- Weakness (CWE)
- CWE-59, CWE-61
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Deferred
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
No affected products are listed yet.
References
- https://github.com/npitre/cramfs-tools/
- https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f
- https://github.com/npitre/cramfs-tools/issues/13
- https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583
- https://vuldb.com/submit/811897
- https://vuldb.com/vuln/364408
- https://vuldb.com/vuln/364408/cti
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.