TS4500 Tape Library addresses security vulnerability
Affects IBM Storage TS4500 Library firmware 1.1.1.6 through 1.12.0.3. The fix is in firmware 1.12.0.4 and later.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 1.12.0.4
- Who is exposed
- Specific setups only
Do first: Check whether your setup matches what the bug needs. Affected product is IBM Storage TS4500 Library firmware versions 1.1.1.6 through 1.12.0.3.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 16/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The TS4500 Tape Library software from IBM Storage has a flaw in its authorization checks that lets an attacker take over other user accounts. An attacker can do this remotely over the network, but they must first log in with a valid account, and the bug does not require any action from a user.
Read the original description
IBM Storage TS4500 Library 1.1.1.6 through 1.12.0.3 could allow a remote authenticated attacker to perform unauthorized account takeover due to improper authorization.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure8/25Specific setups only, reachable over the network
- Reach?/20Unknown. No tracked technology or package matched
- Severity8.1/10CVSS 8.1
- No patch0/5No signal
What would change the score
- Would score about 66 if added to CISA KEV
- Would score about 61 if CISA's SSVC rates exploitation active
- Would score about 23 if CISA's SSVC rates it automatable
What to do
Check whether your setup matches what the bug needs.
Affected product is IBM Storage TS4500 Library firmware versions 1.1.1.6 through 1.12.0.3.Upgrade to a fixed version: 1.12.0.4.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- IBM Storage TS4500 Library
From 1.1.1.6 · through 1.12.0.3
Evidence 1
- Patch
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-19133
Is CVE-2026-19133 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
A lower-privileged user who is already logged in can use their own session to change another user's password and gain access to that account.Source: ibm.com
Which versions are affected by CVE-2026-19133?
Storage TS4500 Library: from 1.1.1.6 through 1.12.0.3.Source: cve.now feed data
Am I affected, and how do I check?
IBM lists firmware versions 1.1.1.6 through 1.12.0.3 of the Storage TS4500 Library as affected. Check the installed firmware version on the library against that range.Source: ibm.com
How do I fix CVE-2026-19133?
For the 1.12.0 release, upgrade to firmware 1.12.0.4 Fix Pack or later, available from IBM Fix Central.Source: ibm.com