CVE-2026-2661A security flaw has been discovered in Squirrel up to 3.2.
Updated under an hour ago ()
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It affects squirrel-lang squirrel. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A security flaw has been discovered in Squirrel up to 3.2. This affects the function SQObjectPtr::operator in the library squirrel/sqobject.h. The manipulation results in heap-based buffer overflow. The attack needs to be approached locally. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
- CVSS
- 7.8 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119, CWE-122
- 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
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
squirrel-lang squirrel squirrel-lang:squirrel | through 3.2 | NVD |
References
- https://github.com/albertodemichelis/squirrel/issues/310exploit, issue-tracking
- https://github.com/oneafter/0122/blob/main/i310/reproexploit
- https://vuldb.com/?ctiid.346459permissions-required, vdb-entry
- https://vuldb.com/?id.346459third-party-advisory, vdb-entry
- https://vuldb.com/?submit.753165third-party-advisory, vdb-entry
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.