RARLAB vulnerabilities in CISA KEV
RARLAB has 5 vulnerabilities in CISA's catalogue of flaws known to be exploited, the 53rd highest of any vendor. 1 was added in the last 12 months; 4 are linked to known ransomware use (80% of its entries, against 20.4% across the catalogue). CISA's median fix window for these entries is 21 days (range 21 to 181), against 21 days (range 1 to 184) across the whole catalogue. The most exploited product is WinRAR, with 4 entries. Other frequently affected products: UnRAR (1).
Catalog v2026.11.04, released 5 Nov 2026. Source CISA ↗. All KEV entries.
$ ./kev --vendor rarlab --summary
Counts are computed from the catalog release on ; the 12 month window ends there.
┌─ total entries
5
in CISA KEV
┌─ first added
2022-02-15
earliest entry
┌─ latest added
2025-12-09
most recent entry
┌─ last 12 months
1
entries added
┌─ ransomware use
4 of 5
80% linked to ransomware
┌─ distinct products
2
affected products
$ awk -F, {print $1} /var/log/kev/rarlab.log | uniq -c
Entries by the year CISA added them.
| Year | Entries added | Of which ransomware |
|---|---|---|
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2025 | 2 | 1 |
$ sort /var/log/kev/rarlab.log | uniq -c | sort -rn | head -5
The five products with the most entries in the catalogue.
- WinRAR 4 entries
- UnRAR 1 entry
$ kev-due-dates --vendor rarlab
Days between the date CISA added an entry and the due date it set, median and range. Due dates apply to US federal agencies; for everyone else they are a patch-first ranking signal.
┌─ RARLAB
21 days (range 21 to 181)
median and range in days
┌─ whole catalogue
21 days (range 1 to 184)
median and range in days
$ grep -o 'CWE-[0-9]*' /var/log/kev/rarlab.log | sort | uniq -c | sort -rn | head -3
Weakness types CISA records for these entries (5 of 5 have at least one CWE).
$ grep -ril 'RARLAB' /var/log/news | head -5
Our reporting that names RARLAB or one of its KEV CVE ids, newest first.
┌─ /var/log/news
Patch Week pages with these entries
No Patch Week page covers this vendor yet.
$ wc -l ./rarlab.kev · 5 rows
Descriptions: CISA Known Exploited Vulnerabilities catalogue
- CVE-2025-6218
WinRAR
RARLAB WinRAR Path Traversal Vulnerability
due 2025-12-30 · CWE-22
$ cat CVE-2025-6218.txt
Description. RARLAB WinRAR contains a path traversal vulnerability allowing an attacker to execute code in the context of the current user.
Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CVE-2025-8088
WinRAR [RANSOMWARE]
RARLAB WinRAR Path Traversal Vulnerability
due 2025-09-02 · CWE-35
$ cat CVE-2025-8088.txt
Description. RARLAB WinRAR contains a path traversal vulnerability affecting the Windows version of WinRAR. This vulnerability could allow an attacker to execute arbitrary code by crafting malicious archive files.
Required action. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CVE-2023-38831
WinRAR [RANSOMWARE]
RARLAB WinRAR Code Execution Vulnerability
due 2023-09-14 · CWE-351
$ cat CVE-2023-38831.txt
Description. RARLAB WinRAR contains an unspecified vulnerability that allows an attacker to execute code when a user attempts to view a benign file within a ZIP archive.
Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- CVE-2022-30333
UnRAR [RANSOMWARE]
RARLAB UnRAR Directory Traversal Vulnerability
due 2022-08-30 · CWE-22 CWE-59
$ cat CVE-2022-30333.txt
Description. RARLAB UnRAR on Linux and UNIX contains a directory traversal vulnerability, allowing an attacker to write to files during an extract (unpack) operation.
Required action. Apply updates per vendor instructions.
- CVE-2018-20250
WinRAR [RANSOMWARE]
WinRAR Absolute Path Traversal Vulnerability
due 2022-08-15 · CWE-36
$ cat CVE-2018-20250.txt
Description. WinRAR Absolute Path Traversal vulnerability leads to Remote Code Execution
Required action. Apply updates per vendor instructions.