CVE-2026-41704: AgentClient#handle_method (lines 264-303) processes every NATS reply

Q: How do I fix CVE-2026-41704?

bosh: upgrade to 282.1.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-41704 being exploited?

CVE-2026-41704 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-41704 affect?

CVE-2026-41704 affects bosh. Severity is medium (CVSS 5.0). AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) on every response, which reads response['value']['result']['compile_log_id'] (line 332-338) and passes it to download_and_delete_bl

Q: How urgent is CVE-2026-41704?

Priority 18/100. No elevated risk signals yet.

Routine

MEDIUM 5.0UPGRADE

CVE-2026-41704 is a medium-severity flaw (CVSS 5.0) affecting bosh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) on every response, which reads response['value']['result']['compile_log_id'] (line 332-338) and passes it to download_and_delete_blob. Separately, any response containing 'exception' goes through format_exception (lines 308-325), which reads exception['blobstore_id'] and also calls download_and_delete_blob. That helper (lines 344-349) call

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-05-27
Last modified	2026-10-26

Publisher (CNA): VMware · Vendor: cloud foundry

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-27 08:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

cloud foundry bosh UPGRADE

Affected: < 282.1.12

Fixed in: 282.1.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy bosh || rpm -q bosh || bosh --version

2. UPGRADE to 282.1.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade bosh

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade bosh

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-41704?

bosh: upgrade to 282.1.12. Exact commands for each OS are on this page.

Is CVE-2026-41704 being exploited?

CVE-2026-41704 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-41704 affect?

CVE-2026-41704 affects bosh. Severity is medium (CVSS 5.0). AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) on every response, which reads response['value']['result']['compile_log_id'] (line 332-338) and passes it to download_and_delete_bl

How urgent is CVE-2026-41704?

Priority 18/100. No elevated risk signals yet.

Related CVEs

CVE-2026-41009 MEDIUM 5.8 UPGRADE When the director sends a long-running request (e.g

References

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