How severe is CVE-2026-7734?

CVE-2026-7734 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-7734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7734?

CVE-2026-7734 affects Osrg Gobgp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7734?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7734 have an EU (EUVD) identifier?

Yes. CVE-2026-7734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26914.

When was CVE-2026-7734 published?

CVE-2026-7734 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2026-7734

CVE-2026-7734 is a medium-severity vulnerability in Osrg Gobgp with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-404.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
CVSS v4: 6.9
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26914
Weakness: CWE-404
Affected product: Osrg Gobgp
Published: 2026-05-04
Last modified: 2026-06-17

Description

A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.

Frequently asked questions

What is CVE-2026-7734?: A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.
How severe is CVE-2026-7734?: CVE-2026-7734 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-7734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7734?: CVE-2026-7734 affects Osrg Gobgp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7734?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7734 have an EU (EUVD) identifier?: Yes. CVE-2026-7734 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26914.
When was CVE-2026-7734 published?: CVE-2026-7734 was published on 2026-05-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*

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